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 - SOUTH METRO MANILA Award a ₱2.8M contract to AARCON BUILDERSNational agencies
Transaction hash:
03633af44b01c5f5b2d4ae3d3b397de19f89d9101a44f117996c9c94c9753e2b
Status:
Included and unchanged
Block:
#4,530 1,483 blocks after it
Position in block:
Transaction 4 of 291
Award day:
Aug 6, 2021 (5 yrs 3 mo ago)
Value:
₱2,835,893.61
Project:
21OH0150
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 #4,530 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 2021 OO-1", i.e. the FY2021 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 - SOUTH METRO MANILA awarded it to AARCON BUILDERS on 2021-08-06.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OH0150: 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 2021-10-15). 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 03633af44b…753e2bnow …
- 2. Block Merkle root changedstored 7797cc4fcb…925031now …
- 3. Block #4530 hash changedstored 976c8e9cbc…a6c6b6now …
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 290 records. Each step hashes the current value together with the sibling shown.
- leaf 03633af44b01c5f5b2d4ae3d3b397de19f89d9101a44f117996c9c94c9753e2b
- 01 R 0369c487d8f991502761ebaaa5d6a58559004f1c0917aca0c8a7565e2c20b9e8
- 02 R 5a723becba0ebdc9d0468c0222c0f9c38f1240352e82255d451a4bd11c9931af
- 03 L 21df4f3f3fe9005d557c340f2e308ddfa8e74ef99f83b04aa19344b5528884fe
- 04 R 434552695a64ec6b41fd72fa3b1b960b90b173ac08fb609393b1a3ef7a23b8b8
- 05 R ea7a42a5a5bc7f06b11bc5ed6b5931d5948800c1efe624bac06176cf4ebde855
- 06 R 7ff58637137424cab87a94bc9f60c36f9977d2f7eb318cc6da19ee9c765d27be
- 07 R e51ac20e5d1b308ff04224f76a86ebdeadd8ebedf744778ecce246e25f0813ec
- 08 R 8df1437968b3f8acc876846425b0f0e52452b9042be2eda8fcb18af62509bea7
- 09 R 5c008fdcc5b1fe961620f1c4c2ae645804db2b55ce19a1e067997c87ffb154be
- root 7797cc4fcba09a00e397a154eae8fd9532178405f3ede341dde4fa633a925031