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 XI Award a ₱105.6M contract to VICENTE T. LAO CONSTRUCTIONNational agencies
Transaction hash:
3dc5a4cf84df128d3d6343f3c48e2e81a609fb4dfad0341b1cf97c8cb8d1c81b
Status:
Included and unchanged
Block:
#2,987 3,026 blocks after it
Position in block:
Transaction 56 of 219
Award day:
Feb 10, 2017 (9 yrs 9 mo ago)
Value:
₱105,598,179.31
Project:
17L00017 ROA, NOA, Contract & Notice to Proceed
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 #2,987 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 2017 MFO-1", i.e. the FY2017 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 XI awarded it to VICENTE T. LAO CONSTRUCTION on 2017-02-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17L00017: 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 2017-12-15). 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 3dc5a4cf84…d1c81bnow …
- 2. Block Merkle root changedstored 84bbd803bb…444fbdnow …
- 3. Block #2987 hash changedstored af7cb8c96c…9abbecnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 218 records. Each step hashes the current value together with the sibling shown.
- leaf 3dc5a4cf84df128d3d6343f3c48e2e81a609fb4dfad0341b1cf97c8cb8d1c81b
- 01 R 3dcd60e365ab2f5bb07f8c145bbd0fe3179c8538dae7b12e2d8aa50b1e627b6a
- 02 R 077f4f40b3be3c4b1e7eb86d295fbfedea8eeb6679d5a9d93887a54b023dd758
- 03 R ec117227608748ad0f9635d8f3c84112241852d3e77bd2975322e2f3e21e69b1
- 04 L 13c7cc7bb3c91fb167c682c265744a41b9d2b17edb552be2921d267d8d053476
- 05 L dabb04bdd4b0d2acd9a40ed22e7a2c1ae15a73f043cb63045fc937c19e075d87
- 06 L 930c8f424e7e1a5483ec8be943246e49db6916a249a658f6a4dbd34bf1f443eb
- 07 R 8e82d66f2511bbbeabc2abeb3371b38b8e874fb39137ee1e22c88e3d453bca8d
- 08 R 90dc2d4956729adf564a3601aabdf0beba4aa38286a0fc5f72e7c40f5ef91bec
- root 84bbd803bb8885157f662815e6f36e363b3f3a8a03423304a5b81a3e53444fbd