Inheritance: Asn1Encodable, IAsn1Choice
		public TimeStampedData(DerIA5String dataUri, MetaData metaData, Asn1OctetString content,
			Evidence temporalEvidence)
		{
			this.version = new DerInteger(1);
			this.dataUri = dataUri;
			this.metaData = metaData;
			this.content = content;
			this.temporalEvidence = temporalEvidence;
		}
		public virtual Evidence GetTemporalEvidence()
		{
			if (temporalEvidence == null)
			{
				temporalEvidence = Evidence.GetInstance(parser.ReadObject().ToAsn1Object());
			}

			return temporalEvidence;
		}
		private TimeStampedData(Asn1Sequence seq)
		{
			this.version = DerInteger.GetInstance(seq[0]);
			
			int index = 1;
			if (seq[index] is DerIA5String)
			{
				this.dataUri = DerIA5String.GetInstance(seq[index++]);
			}
			if (seq[index] is MetaData || seq[index] is Asn1Sequence)
			{
				this.metaData = MetaData.GetInstance(seq[index++]);
			}
			if (seq[index] is Asn1OctetString)
			{
				this.content = Asn1OctetString.GetInstance(seq[index++]);
			}
			this.temporalEvidence = Evidence.GetInstance(seq[index]);
		}