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
ILOCOS SUR POLYTECHNIC STATE COLLEGE Award a ₱2.1M contract to M.A. TEJADA CONSTRUCTIONNational agencies
Transaction hash:
532d35bcc883afd4064cc39302e80b7b24ab6fa7110af7e079dba2c2e974bec0
Status:
Included and unchanged
Block:
#2,717 3,296 blocks after it
Position in block:
Transaction 4 of 21
Award day:
Apr 18, 2016 (10 yrs 6 mo ago)
Value:
₱2,085,222.44
Project:
CONSTRUCTION OF MULTI-PURPOSE BUILDING CUM LABORAT
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 #2,717 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)ILOCOS SUR POLYTECHNIC STATE COLLEGE awarded it to M.A. TEJADA CONSTRUCTION on 2016-04-18.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 532d35bcc8…74bec0now …
- 2. Block Merkle root changedstored d7a8504403…4d473dnow …
- 3. Block #2717 hash changedstored 3d249598e2…93f49cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 20 records. Each step hashes the current value together with the sibling shown.
- leaf 532d35bcc883afd4064cc39302e80b7b24ab6fa7110af7e079dba2c2e974bec0
- 01 R 5785bdb7dc389002f6bd220eb99ed5b2b4f13c74dc02209afc5fb8a3c7892e31
- 02 R c85a6657d839fde472627f34e46daf6bda03ffe16484bccd45a2d3157d3d49db
- 03 L 385d3e0ff975bdd1d176a79662d61edf960071441459a5f79e0f4c36382d9560
- 04 R 3ed31dba1271fbd2d5d51ac9e618f8e8b4b29d4a7c6f9047df5c82a824b83ef0
- 05 R 84d906fb41454220412737a2afebde19cc225e096313ef5a498a69a6b2c4bc08
- root d7a850440374b8b78787e46339c9bcc79deca94bba4581d595f54184b34d473d