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 - METRO MANILA 1ST E Award a ₱5.2M contract to B. VALENCERINA TRADING AND CONSTRUCTIONNational agencies
Transaction hash:
11b71deb3bb36f792f33e1049b1f126b72a22a6c72126d540993e0d0d1c8d557
Status:
Included and unchanged
Block:
#4,665 1,348 blocks after it
Position in block:
Transaction 26 of 375
Award day:
Dec 20, 2021 (4 yrs 10 mo ago)
Value:
₱5,241,300.66
Project:
Contract ID No. 21OB0306-Name of Contract Retr
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 #4,665 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 2021 LP", i.e. the FY2021 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 - METRO MANILA 1ST E awarded it to B. VALENCERINA TRADING AND CONSTRUCTION on 2021-12-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OB0306: 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 2022-04-29). 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 11b71deb3b…c8d557now …
- 2. Block Merkle root changedstored fea5023509…6e85f7now …
- 3. Block #4665 hash changedstored 7cb06d883a…0fa037now …
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 374 records. Each step hashes the current value together with the sibling shown.
- leaf 11b71deb3bb36f792f33e1049b1f126b72a22a6c72126d540993e0d0d1c8d557
- 01 R 120b3e4dd6aeb80eb1f75c5f7c0a6f0a43549523f5b135ca14d4abc39c023a0b
- 02 L 6004c5ed4327d4a949780ea5c0e85cbdc2b4b463e749857f365ccd52e4b50f05
- 03 R 960ca1e72eb6cc5adb22ae30448711d81f1dbd5e4bd32e180f46e6585562662c
- 04 L dcadab272b643f58affaaebe2ccb1b0fc2103ad687a3a18a2962ec3253502b27
- 05 L d0518e80ac3efe77139a025c32ec201bd020c7e4ca17b1dd07eb81395274a1f4
- 06 R f0a8e1c46d65478ddb8be46de056817ce81fdece55ab1d9223ea8e1bbe1b45b6
- 07 R 668659fe1212bb6074023aeeb684de5aa1aa121477177a2c50e537409a63f1b9
- 08 R 49418ffe5e804603086508370aaaa493b7307b9c5989fe146415832b51af344b
- 09 R 68892e015b0e78e00d47b449b1764523970f3ef666ec14e2b68ac6443a246769
- root fea5023509c5d80491ec59946366bc4709f317994513a8d8b01b45f44d6e85f7