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
PROVINCE OF BATAAN Award a ₱1.9M contract to MARVEL BUILDERSProvinces
Transaction hash:
da9cdfffc6bb8c6a50e73ca5608b3cb67e9c2df8e54d88613a15213f3de373a8
Status:
Included and unchanged
Block:
#4,695 1,318 blocks after it
Position in block:
Transaction 105 of 135
Award day:
Jan 20, 2022 (4 yrs 9 mo ago)
From:
Value:
₱1,941,789.30
Project:
Concreting
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 #4,695 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)PROVINCE OF BATAAN awarded it to MARVEL BUILDERS on 2022-01-20.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)COA's CY2024 audit of Bataan gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 da9cdfffc6…e373a8now …
- 2. Block Merkle root changedstored 883f195249…8bcba1now …
- 3. Block #4695 hash changedstored 8432e80de0…8594f7now …
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 134 records. Each step hashes the current value together with the sibling shown.
- leaf da9cdfffc6bb8c6a50e73ca5608b3cb67e9c2df8e54d88613a15213f3de373a8
- 01 L d9b29bf4fe703cf66d2649661abda5626181f1abf8e8c6ba7a1dc0eaeae9e66a
- 02 R 8084be818bee7f314038086791f2d397bcef38fbf03e7fb75c29aed02dee4c68
- 03 R ae4d08f8d38f0198ef0118b7f0d7d32e1629127dd18ba70af4aa86e0659f9ea4
- 04 L bc11bff2be2bf8e77c205f1f0aafed5e9a9653e5d0d66300383eb4168de22ccb
- 05 R 6a9c950ddb0dee9d32ac026e2ce4363282e6aa35eb004b87c5ceff26de0b6085
- 06 L 165409f8c09fe9fe81027b6b9f823df42f88acf0665c0325f50a921e7ffdbe01
- 07 L 06528d2db2a15d1c19f75337fe3117d375fbd72e96b86c80aa3db989c412e278
- 08 R b1890201c75cc674c4f851cf72193cad722a0514f186c5143a4a05686a0bd617
- root 883f1952497c5df6febd4fb4252724c00ae0bd7bea2082182d092ebd008bcba1