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 CAVITE ED Award a ₱13.2M contract to PERSAN CONSTRUCTION, INC.National agencies
Transaction hash:
a4ed9ef482c02bf4499cfce8d1201f83629d03996a4825607d33693292d967a0
Status:
Included and unchanged
Block:
#1,700 4,313 blocks after it
Position in block:
Transaction 196 of 321
Award day:
Mar 11, 2013 (13 yrs 8 mo ago)
Value:
₱13,179,717.91
Project:
13DF0026
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 #1,700 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 CAVITE ED awarded it to PERSAN CONSTRUCTION, INC. on 2013-03-11.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 a4ed9ef482…d967a0now …
- 2. Block Merkle root changedstored d4705e2b95…f2b95anow …
- 3. Block #1700 hash changedstored 65fdba672d…901209now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 320 records. Each step hashes the current value together with the sibling shown.
- leaf a4ed9ef482c02bf4499cfce8d1201f83629d03996a4825607d33693292d967a0
- 01 R a534c10f2d9959a57130eaaf674a3e575e83a674d1f40285a84bc1e715fb7e2a
- 02 R e693e156e797e3c01e676abfb7b50c41cc822cfca9ad5f4f49cee2ddfde9d380
- 03 L 8ad005e501976a1efcf8ce6fa434c0f19cb601b2b301576babf4f533e4f296a3
- 04 R f6acbd50aa82e8a9a8e90f426a0529aafa39dddb01def14e3046449b86e61f6f
- 05 R 560468bcc6aca7db882e87f8da8e4f3dc3b1b13565eda4664face541036c479c
- 06 R ca561a76e250f150b46340b267e75932eec20d9bbf0eb395482f588d8511ef41
- 07 L c8a21284529260d0f8cd75bc25a1e089bb5980474642476428a55b5696d37e4a
- 08 L dd38f5a9c5248f6906aa6c7f09a64673b6d20830b26511f69a260a96de9a1422
- 09 R 33fa6492e6b7dec6df3a6adeccdabafa229fe504c7e05a48f219ed4f61d98546
- root d4705e2b95558df138615462598b3f86f1b3373f9bc69b8e4af6b311baf2b95a