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 ₱29.2M contract to ALLEYWAY CONSTRUCTIONNational agencies
Transaction hash:
280a1c4eff8780bddd4eb2398982e0c0c5392b703e7c17cae7db004a08d55ee1
Status:
Included and unchanged
Block:
#3,424 2,589 blocks after it
Position in block:
Transaction 40 of 272
Award day:
May 21, 2018 (8 yrs 5 mo ago)
Value:
₱29,247,267.13
Project:
Local Program
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 #3,424 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: Rehabilitation - 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 ALLEYWAY CONSTRUCTION on 2018-05-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18OE0137: 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 2019-04-30). 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 280a1c4eff…d55ee1now …
- 2. Block Merkle root changedstored baeca8f43d…b8f81bnow …
- 3. Block #3424 hash changedstored b071376e22…71a3a5now …
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 271 records. Each step hashes the current value together with the sibling shown.
- leaf 280a1c4eff8780bddd4eb2398982e0c0c5392b703e7c17cae7db004a08d55ee1
- 01 R 287758546cabb5a8d33a44b712e179e815d754e8e664b2ad0acaa6fe7504bd53
- 02 R a26a644df4d4d60463f001e044413bcffa799b4f87866dffd0d87a762d4ed54e
- 03 R a9141a88644d1c744bda43d641c30a69cf2beb83896fac7f0861d0559e0b55b7
- 04 L 3e2795d5430018e23121a8b569af5fb356ae0673579c4728bfcac52a9d7bbbc2
- 05 R 1b7ca46ee46e9eab223f253f7626e305061a71ee1bf1b8550a17d1359c8c52a0
- 06 L 885dd1317a84c923f5bd47d4e5a458e086fb1ed32c0259c4f37fc8d6de003640
- 07 R 2df51130881b833eed60def081f60c4c382ea2d7f7c1d74472da9800e34207d7
- 08 R 4191c35f957442790c2b9d2e4e5c6f642a79ad641d0e9749936034e7d059d632
- 09 R fcce3e301bf83eaa040ab010a6108b1f6fec968b81eb72724962da860ee7fa3d
- root baeca8f43d25c05fbc24d33d6698801b9c0641ec0dc4c7e30d11672d34b8f81b