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 - QUEZON CITY 2ND ED Award a ₱2.8M contract to V.S. CERDON IRON WORKS & CONSTRUCTIONNational agencies
Transaction hash:
ed65fb768e565b80bfa4bee649817f14fe87de691512a7657c1e882a4cb79085
Status:
Included and unchanged
Block:
#4,014 1,999 blocks after it
Position in block:
Transaction 577 of 608
Award day:
Feb 3, 2020 (6 yrs 9 mo ago)
Value:
₱2,846,492.27
Project:
20OG0001
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 #4,014 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)DPWH lists the funding source as "Regular Infra - GAA 2020 OO-2", i.e. the FY2020 GAA. The exact UACS line is not given.Partly
- 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 - QUEZON CITY 2ND ED awarded it to V.S. CERDON IRON WORKS & CONSTRUCTION on 2020-02-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20OG0001: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2020-06-30). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 ed65fb768e…b79085now …
- 2. Block Merkle root changedstored 2ab1669a7a…bf68a2now …
- 3. Block #4014 hash changedstored a07bf23c15…6a6a0enow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 607 records. Each step hashes the current value together with the sibling shown.
- leaf ed65fb768e565b80bfa4bee649817f14fe87de691512a7657c1e882a4cb79085
- 01 L ed034aa78adeda5200750e44a9075ce4dafadb883347e00a9946b05244e9a92f
- 02 R 502ab6b2c7f3199f183da873fbb7ce7bfe0695dcb641c72afd89eca2eaf51a68
- 03 R cfe98035a0cd349a3d7fab4391b52aa13cead932115f02b3d00f4ff6e6c6ef54
- 04 R 5d9a79d34210e599b02617429c798f592d6ffc71ab3d4a78f92a7303eae1aaa8
- 05 R 863e25a4d86133431683fdb5ff0b004f71718cd2d05e5b71df0288f9d44aa90d
- 06 R be1f64eb574d1a77d608ddca90b1921b487fccb801669b426609d64a51a57da8
- 07 L 1807148e4b8ae1dbbfda9fc990c88a46e7fc35e77250c37d0def08a14d204cbb
- 08 R c14e67d77c1f09b7722b80bb0547e5216b6781a406d4275dc0cd0a2bc5aab24e
- 09 R 3503dd43f3a687781e3016426f4dad23d3e971138e9bd7de49e6e81a255a7d18
- 10 L 23d2aa2ff176520421ad114c2f0af097f913908b335a4f49c368d8226c189d32
- root 2ab1669a7a5de2b5ad78686bf08d8d9a13c7dc834ede66db19711eb69fbf68a2