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 - MALABON-NAVOTAS SD Award a ₱36.8M contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
eddd716dcb39b41ba2a1603d1b89c84ba7b9516da3d2be613b7b27d05e95c3a9
Status:
Included and unchanged
Block:
#3,867 2,146 blocks after it
Position in block:
Transaction 235 of 261
Award day:
Sep 3, 2019 (7 yrs 2 mo ago)
Value:
₱36,825,259.86
Project:
19OA0121
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 #3,867 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 "Outside Infra - GAA 2019 DepEd BEFF", i.e. the FY2019 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 - MALABON-NAVOTAS SD awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2019-09-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19OA0121: 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 2020-12-04). 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 eddd716dcb…95c3a9now …
- 2. Block Merkle root changedstored e7dead9c1f…d50122now …
- 3. Block #3867 hash changedstored e4786efe10…23107bnow …
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 260 records. Each step hashes the current value together with the sibling shown.
- leaf eddd716dcb39b41ba2a1603d1b89c84ba7b9516da3d2be613b7b27d05e95c3a9
- 01 L ec6c9426637084bcf03a13109a19ddc059a658cc11835e266da6a62e222bbe5a
- 02 L e658dbfea20bc5360223fc6092e45893c7b046ae172bccb7adc7e45e5b76518f
- 03 R 7388c8d570e473ce99fc6e1bcfb3697b09c086c125f93a54a4e4b0f525f17fd5
- 04 L aac765fb3ad7feff0f38fbd29da04a390811c2f3ba06f89daf5fc2f61351b2a4
- 05 R 8e7c1f85e674a6ffe66cecc78248ec30beb845c382e59b661d2b99a62dd74f02
- 06 L e346f61e3581d6c9087126577096a4ca5f625a87711e89265d763e0410fbbd8a
- 07 L 788ae687bc9fa7e9e45764639e3c3cda29d9d61c3132f6fec553d65f39e4e56d
- 08 L 613988cfeedf0b709495d1bd507e9143250c27181a16e968a3155a73d36f0e39
- 09 R 04f160840651a73170303037402aa2e5df051b978cdb6b4be350f21126785608
- root e7dead9c1fface19ae41dc6e5cd0aaeaa096bbe7f1ced38ab8e41daf07d50122