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 PUBLIC WORKS AND HIGHWAYS - BATAAN 2ND DEO Award a ₱1.5M contract to L.R. DE GUZMAN CONSTRUCTIONNational agencies
Transaction hash:
b2a1778c1730d6fecfcdf01e13409ff980e2f48c0e956a8c849415aa209281aa
Status:
Included and unchanged
Block:
#2,067 3,946 blocks after it
Position in block:
Transaction 73 of 95
Award day:
May 5, 2014 (12 yrs 6 mo ago)
Value:
₱1,544,540.84
Project:
13CB0079
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 #2,067 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 PUBLIC WORKS AND HIGHWAYS - BATAAN 2ND DEO awarded it to L.R. DE GUZMAN CONSTRUCTION on 2014-05-05.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 b2a1778c17…9281aanow …
- 2. Block Merkle root changedstored dfa3fe1696…3268f7now …
- 3. Block #2067 hash changedstored f38e43db2b…7474e0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 94 records. Each step hashes the current value together with the sibling shown.
- leaf b2a1778c1730d6fecfcdf01e13409ff980e2f48c0e956a8c849415aa209281aa
- 01 L b21ed4a5c4832e36b54a0907f9f62a5a411dfeea8af1bf22844027a0c2168257
- 02 R 951a86b2f870249ccdc662cf458f2a4e6f88fb11276030a5ffd61e8d5c64c66e
- 03 R cd8935e2e965f2997e6ab80ea2c8a9a58c15f3ddc3c95b827b5767bd58d1a895
- 04 L cea4cf03f864eb6187a87cfebe1edbe47afcd1184527940a8a356c79485cd083
- 05 R 2702da11dda5886e1de5d661c96cfe16ac0d7181f1ac82ae6c7bbbae67c82bb5
- 06 R 8f5c31af6f2c829d085dfa2b5902e435f12e4c3c2ccaa6ebe6f6c8e1a7c37f14
- 07 L c6f57df7b35f3dd651fdee167003f332542a6bc903aee02f3342aa8629c902ec
- root dfa3fe169626a73d28347202661ccb0684185e5e4ea09fb29fdf4a56173268f7