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 METRO MANILA Award a ₱4.7M contract to EIGHT J'S CONSTRUCTION SERVICESNational agencies
Transaction hash:
8c3398e8ea8aef32054b5ae27ad859f85a1ffef097465d290661d3a1ed66e9dc
Status:
Included and unchanged
Block:
#3,335 2,678 blocks after it
Position in block:
Transaction 28 of 49
Award day:
Feb 16, 2018 (8 yrs 8 mo ago)
Value:
₱4,730,408.52
Project:
Ensure Safe and Reliable National Road System
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 #3,335 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 - Flood Control: Construction - Drainage (e.g., Closed and Open Conduits, Spillway), Roads: Construction - PCCP". 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 METRO MANILA awarded it to EIGHT J'S CONSTRUCTION SERVICES on 2018-02-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18OE0094: 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 2018-07-20). 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 8c3398e8ea…66e9dcnow …
- 2. Block Merkle root changedstored 81bc7cb3fb…0be1eenow …
- 3. Block #3335 hash changedstored 85e43a18f9…6c84e7now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 48 records. Each step hashes the current value together with the sibling shown.
- leaf 8c3398e8ea8aef32054b5ae27ad859f85a1ffef097465d290661d3a1ed66e9dc
- 01 R 9de2b9948bf26fafa82e54958bd93a3573f1d36002d98e8c2df8d6a6ba1ec02e
- 02 R 93a212e6fe5e2f4b415b60882f430accd7c23f9564c1f201809e879f380c719d
- 03 L 82088a47ac0b690e2ce0f801e669e537f66d90fb6cd0cb0ec15e450953d00140
- 04 L bee66f4fe63e0193e5862ad4d6ad6edd634c34f4953c5ae11a1df802b344e850
- 05 L cdbe095addd5a975360cf79a27a3821c9c006b2611a30b3c2163c8f00614dd3b
- 06 R b9e6b83bb340fe3714788e5b88aa8e736a4aa8c9913ee7ccf7bfafbb4176045d
- root 81bc7cb3fb510f72a3170b4a7333d8dc4bd49430009ec3825b185e6c7c0be1ee