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 ₱12.2M contract to ABROND CONSTRUCTIONNational agencies
Transaction hash:
ae27648ec86e85a40b68f69e8f61898a18b530763dc718326e2885fb03f6ab1d
Status:
Included and unchanged
Block:
#4,521 1,492 blocks after it
Position in block:
Transaction 147 of 219
Award day:
Jul 28, 2021 (5 yrs 3 mo ago)
Value:
₱12,241,694.09
Project:
21OG0120
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 #4,521 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 "Outside Infra - Trust Funds 2021". 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 ABROND CONSTRUCTION on 2021-07-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OG0120: 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 2023-01-09). 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 ae27648ec8…f6ab1dnow …
- 2. Block Merkle root changedstored 9ac875fdc2…8220fanow …
- 3. Block #4521 hash changedstored 72550fbe6d…04a5f1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 218 records. Each step hashes the current value together with the sibling shown.
- leaf ae27648ec86e85a40b68f69e8f61898a18b530763dc718326e2885fb03f6ab1d
- 01 L ad539cba97ae945ccd498b794a8cead97bd3a8e5b640e5a07990992bfb4d23f9
- 02 L 61e1cf6bfeb41e5e0d02b48885d8a875d8defaec1634044fc79b7446d3e09120
- 03 R 446b3a705f6fdce06841eab10994ecb240d419f6e1a2b29efa16b05957afccdf
- 04 R 7d037d50201801c41fa5203a405056be562e722679a88cad647fc513c3c5b896
- 05 L 245397a9db338374e78f961d2c9de5a04d5e2be1e5d94581412ffac46881399a
- 06 R f9ad77895d0ec85ea4aad4209484b5480c26f3f8e2a3fe98e207494b33362b5b
- 07 R b2d276744a59677e165756ecb0548844e59b48c16bf0702bdb3c12af35a6f996
- 08 L 3a72ff5d1ae589f88bddd9c66fcadf97fc6e3cc62c8742a8e0088308e3bd7757
- root 9ac875fdc2ac6b78a97a03748866cc56d59af401cb38e1cf2680b6b4288220fa