DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF TRANSPORTATION AND COMMUNICATIONS - MAIN Award a ₱4.5M contract to R.C. TAGALA CONSTRUCTIONNational agencies
Transaction hash:
f84cbc9ed32dc8ea7f993f7d7e72b7d64f98e9b8d932c12759c56238a352ec56
Status:
Included and unchanged
Block:
#1,933 4,080 blocks after it
Position in block:
Transaction 143 of 148
Award day:
Dec 4, 2013 (12 yrs 11 mo ago)
Value:
₱4,482,388.67
Project:
ALCANTARA PORT
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #1,933 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF TRANSPORTATION AND COMMUNICATIONS - MAIN awarded it to R.C. TAGALA CONSTRUCTION on 2013-12-04.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored f84cbc9ed3…52ec56now …
- 2. Block Merkle root changedstored 596fa327b8…60ff6anow …
- 3. Block #1933 hash changedstored ffc35f5f88…a604fcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 147 records. Each step hashes the current value together with the sibling shown.
- leaf f84cbc9ed32dc8ea7f993f7d7e72b7d64f98e9b8d932c12759c56238a352ec56
- 01 L f7f990bb83f9e4afacca8eb9b19bdbba60a12ab095aa8e64dc095230a61db1e7
- 02 L e2d5850b7d189d32777fbf48686bcb63ab4e15891970926c281a31d29fe3fde9
- 03 L ab26b8093fae59626416aaf8e2fdaa94a6bca0d1af9f8122d17e326021ffd0db
- 04 L b7544a624705f6d1d534e60fb156d709d573db2e3bee9fc81f727cd714f929d9
- 05 R b25ce4c8d3de6cb332da7bd4761ea574b4e9519b6565250cbf166ff52cca145c
- 06 R 9ae661e828680ea1747e1eb5b756e49ab5b9f88718ce91e8cf467d569d1174fe
- 07 R fe8898c7da703cb4a5bf8008f023f48098accdc85a6c7ea38576e66b4eda185e
- 08 L 0bd87dfb1b94c0339983ef34860fdc96ac2e81cd129739b4904b6edbf1ccc4c1
- root 596fa327b8933788633b4ebe9ad2c49509f22296b91c4f1130abe23f2b60ff6a