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 - NORTHERN SAMAR 2ND Award a ₱494.3K contract to CHRISTFER CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
4ea0d2fa379344fac692d733dbbe904da98299cb4fa0b133f576951e6f0f0fba
Status:
Included and unchanged
Block:
#4,578 1,435 blocks after it
Position in block:
Transaction 91 of 289
Award day:
Sep 24, 2021 (5 yrs 1 mo ago)
Value:
₱494,319.66
Project:
21II0082
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 #4,578 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 - NORTHERN SAMAR 2ND awarded it to CHRISTFER CONSTRUCTION & SUPPLY on 2021-09-24.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 4ea0d2fa37…0f0fbanow …
- 2. Block Merkle root changedstored 3da9c712f7…ce9f71now …
- 3. Block #4578 hash changedstored ed079e13f9…586093now …
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 288 records. Each step hashes the current value together with the sibling shown.
- leaf 4ea0d2fa379344fac692d733dbbe904da98299cb4fa0b133f576951e6f0f0fba
- 01 L 4d36687a055a1743384f108208624843b34cd2b4dc65f76235128974d6f2fdd7
- 02 L c1fde6084d50099c123d7805c16e8a67e156c2817de5e436773d3214480426fb
- 03 R d3ccf20fc87f353dced42a4b9b0d15f3a79c4066239f958c0c07513b1b1889b9
- 04 L 801a35e2640228b1506d44ba215a1f0942b7590a2be2e82f5d7c954ad92469f0
- 05 L 72292f8e6f910beda93c453ecd73a62d10fbf38edff7d09892a60c9700211fc1
- 06 R ec491462c82dc8fbf2ca4821ef8f0b2c8f96430880275953ed39f2bc8a946688
- 07 L 3c4a0501dca8bd1468560ec83316f47e900a2ac8e7e62b659502f8bf791f4ecd
- 08 R 7a9e2d9b0eb6fef772d9a3dd37877864b57b30f0212b54899c1bfb3db8741928
- 09 R 70e39922aa02743d24649434103a05b70387e6aa5bf52a51b30f82e14d88aebd
- root 3da9c712f7a6516d477b093ec080bc9be39e5ef0373a5a2d693ee657e5ce9f71