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 - EASTERN SAMAR DEO Award a ₱14.6M contract to AMANHURAY CONSTRUCTIONNational agencies
Transaction hash:
97f28075cfd79e054acbc802e73ea934e3578913065dc077834d5db6355d70a3
Status:
Included and unchanged
Block:
#5,137 876 blocks after it
Position in block:
Transaction 454 of 746
Award day:
Apr 28, 2023 (3 yrs 6 mo ago)
Value:
₱14,569,230.77
Project:
23IB0082 – (Re-advertised) - Concreting of Brgy. B
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 #5,137 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - EASTERN SAMAR DEO awarded it to AMANHURAY CONSTRUCTION on 2023-04-28.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 97f28075cf…5d70a3now …
- 2. Block Merkle root changedstored 8a1a4c308a…381645now …
- 3. Block #5137 hash changedstored f1b3a5efcb…d2b986now …
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 745 records. Each step hashes the current value together with the sibling shown.
- leaf 97f28075cfd79e054acbc802e73ea934e3578913065dc077834d5db6355d70a3
- 01 R 98210548383d2c137dd2bd4358d71af8a786e5039a2e904f479291c2bf727d20
- 02 L 53102d4b3cc50545bc57c54cfa10b5805e1a26f84d54fba3f35e3d04ed3d974b
- 03 L 00e1b252dd8783d41989f8479bc807c75deb2af75a3b77ecb2da9a89145955af
- 04 R f04c6977b2f5bde2f2208068da1dfafda507447f083999d98f7ac26aeb9d828b
- 05 R f81e0c000e72b87ff4580e410b178ac66a60f056e9cb59846d1d2cfe658e8446
- 06 R 80ed928e1184ada8824a8c7c847bdbec0109405570e24c367e7247579d995fa3
- 07 L d8cbc5db8c669a5b899909c9b72e0a19bb9cd42d5030283772eebdb16f99f459
- 08 L 009d04ef865dc7f2200c82ca075984fb8812a19ea9e411a92549959974647e94
- 09 L fd784f904de978c40e87cd36827a8c01600ca64ceaea9eeac3d0b6d161935a8f
- 10 R ab8de260f4cc159d2f837f398b45c9cf3cd5ccb899520f52e598653844b83b9a
- root 8a1a4c308abca3d7fde55e251b93bb233a7aa6b25baa5de5bdb849c1f9381645