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 - NEG. OCC. 1ST DEO Award a ₱41.7M contract to SILVERGRACES CONSTRUCTION & CONSTRUCTION SUPPLYNational agencies
Transaction hash:
d46ecf18fea97c04d53cc9407cf709bde817601e81c8502c6b2ed84d3cfb6406
Status:
Included and unchanged
Block:
#5,099 914 blocks after it
Position in block:
Transaction 354 of 417
Award day:
Mar 21, 2023 (3 yrs 7 mo ago)
Value:
₱41,682,505.98
Project:
23GK0040
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 #5,099 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 - NEG. OCC. 1ST DEO awarded it to SILVERGRACES CONSTRUCTION & CONSTRUCTION SUPPLY on 2023-03-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23GK0040: 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 2023-11-25). 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 d46ecf18fe…fb6406now …
- 2. Block Merkle root changedstored 6a2abd504d…de0e60now …
- 3. Block #5099 hash changedstored 7b1ffabcd9…1b6102now …
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 416 records. Each step hashes the current value together with the sibling shown.
- leaf d46ecf18fea97c04d53cc9407cf709bde817601e81c8502c6b2ed84d3cfb6406
- 01 R d5a18af284c0ae78c3da0b69c99ad683a7d96e8b360714084134f296b332764b
- 02 L 6be22090dc3c127a41dd8f504d03b79fff9fc4f54848b5fdc2121f178134d491
- 03 R 9b28b3ee6185ea112955580e8db1b1b9cf48023c16f9380cae12af1e5ad6301d
- 04 R c7cf2a63015f689ae0587b1b19fd3abeadca605d69b35a2e9075cdcab2c1e789
- 05 R 39600d733965768c20ef9c6bcc8a5a9ca7a1c898227876b188dd7af80430b7a5
- 06 L f364550a2c8a75cc30310ef9795ec639abb82406fd8f69627bf5427f7ea37943
- 07 L de09667021c8cab109e1497a23be60b480240d5179ee050fc40849bd529d7d7e
- 08 R f4d2543bba131583c1c028038dccf239ded25cb3befb3749025a68fc2d587c86
- 09 L 3ffdc6554f36f16326a20e22cc12bb8a42da25b10098489b5cc006662f830915
- root 6a2abd504db39dc88eb575f7564702b459d70465135560b7c1c1ffd087de0e60