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 - NORTH MANILA DEO Award a ₱4.9M contract to AL-AMEN BUILDERSNational agencies
Transaction hash:
19cf90d70aa1c26a4792a3d32129f724b13cbb8eff7d6ca48ee8da8d3c1367e1
Status:
Included and unchanged
Block:
#5,072 941 blocks after it
Position in block:
Transaction 34 of 352
Award day:
Feb 20, 2023 (3 yrs 8 mo ago)
Value:
₱4,853,770.37
Project:
Construction Projects
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 #5,072 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 2023 OO-1", i.e. the FY2023 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 - NORTH MANILA DEO awarded it to AL-AMEN BUILDERS on 2023-02-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23OE0142: 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 2023-05-12). 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 19cf90d70a…1367e1now …
- 2. Block Merkle root changedstored f02a937035…533df6now …
- 3. Block #5072 hash changedstored 12f8c4f95c…3976a8now …
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 351 records. Each step hashes the current value together with the sibling shown.
- leaf 19cf90d70aa1c26a4792a3d32129f724b13cbb8eff7d6ca48ee8da8d3c1367e1
- 01 R 19df26bbd3b8edd2be3ee259f4893b782c71dcbaebbfe762acc92c5c873c1cb9
- 02 L 40d152623c60fbbee6dda4c930660d57afd0f95ccf315932c92ed40c0ca19f81
- 03 R 00e862c8db12cd07bf2d52dc8dae554aacd3c842f02dfab2762f78a760676d50
- 04 R a42017d293479b963348c829e32805c153e099dca0d440cc3cca950e417b1450
- 05 R 92c64b0b00cf73005e49426e82a346c5b0a0b526d2338763837fe1e6e69e5889
- 06 L cc690c29276c4613e15a1f2df4b7d4f6517b8823fcd7b9a78f161e9f896fe25b
- 07 R 204f7b425332411d21ea7f61b1299f7b9f43f7e50a443d4cbcf3c217ee3c82eb
- 08 R 4e4f45fddc77233b6ec1c966c43719a2485bb759b4e0ec4f246e912fd03fbf97
- 09 R 126b31cd513806e7ac8f3e045dd114bef7b3ab523e6bb8a35ead12e34655832b
- root f02a937035387ca1c037a578f395abbeb99eee4b266ed567b4fb8f33a6533df6