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 - REGION I Award a ₱27.1M contract to BERSON'S CONSTRUCTION & TRADINGNational agencies
Transaction hash:
3fd88d3e3e184e1f2c8ecd651f0a3a9629d6e1880ab8cea4a4d9956eacf8fecf
Status:
Included and unchanged
Block:
#5,095 918 blocks after it
Position in block:
Transaction 144 of 484
Award day:
Mar 16, 2023 (3 yrs 7 mo ago)
Value:
₱27,128,813.12
Project:
23AJ0032
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 #5,095 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 - REGION I awarded it to BERSON'S CONSTRUCTION & TRADING on 2023-03-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23AJ0032: 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 2023-10-24). 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 3fd88d3e3e…f8fecfnow …
- 2. Block Merkle root changedstored f8d83b6496…ff8fecnow …
- 3. Block #5095 hash changedstored 83849c4fb1…68ad83now …
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 483 records. Each step hashes the current value together with the sibling shown.
- leaf 3fd88d3e3e184e1f2c8ecd651f0a3a9629d6e1880ab8cea4a4d9956eacf8fecf
- 01 R 3fdf6ddbd468d2034f383ca0a3d5015f9646fa1ed25f2fdd5f98c080e36ceb71
- 02 R 9b5ae91faab5babc5efedb75ad8e78dff2c75dbf08826c58f823dd023fb232fb
- 03 R 4b0abe2cb79f04507ddb051a2474244446584769812815a8ca9dede5670b187e
- 04 R 159470cf22d2d0803000e89ac0e078fc16354ae4b114281d9801a277a4aa7376
- 05 L 46b892795dece2a1a3eebd14b4a45cc5b537ed2f2c5ba0409b18e15c1fd3b0ce
- 06 R d38e239d718873c8020edf7dc48f6f07d7e419dc0d5ca6d1c301d664d9f154cb
- 07 R 0e313577345bb8cacf6c711a5346ba569916f963324c283566a439910d781153
- 08 L e0a4b876c221a4073b5572a4452804cd2ffa37582bdf8dce589f87a07d30b3cc
- 09 R 12691b7004bf0456cb0239efcef736d1d2b6e2bb305fe01ac2af085ae2bc4fd1
- root f8d83b6496ea72f029be03f4f87f32f225e266a0de0535f6f6860e3fccff8fec