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 COTABATO 1ST Award a ₱37.0M contract to MARCUS CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
6adba2cbff24a3ccbfb4dec4770476ed709c4f5bf7c672ce5c336fe875c8ec59
Status:
Included and unchanged
Block:
#4,016 1,997 blocks after it
Position in block:
Transaction 202 of 468
Award day:
Feb 5, 2020 (6 yrs 9 mo ago)
Value:
₱37,036,597.84
Project:
20MC0032
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 #4,016 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 2020 OO-2", i.e. the FY2020 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 - NORTH COTABATO 1ST awarded it to MARCUS CONSTRUCTION & SUPPLY on 2020-02-05.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20MC0032: 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 2020-11-09). 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 6adba2cbff…c8ec59now …
- 2. Block Merkle root changedstored 747b8a52a5…f02274now …
- 3. Block #4016 hash changedstored cc7658122d…de8f24now …
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 467 records. Each step hashes the current value together with the sibling shown.
- leaf 6adba2cbff24a3ccbfb4dec4770476ed709c4f5bf7c672ce5c336fe875c8ec59
- 01 R 6b333eb8690de23d1afbb9aaa70be2db81fbc9a61bb318c773807a651e2b2064
- 02 L 28e383144c2d1069c3c904d04da7e58866bf561b0767c503a6438fe2aafb09f6
- 03 R e4e9ffbf4f0df31f9e686d408b3a65e317d0db900dd87331cee5316ba3093658
- 04 L 02263b12bc446134480edefa74b67e903dd426d07795d34e60123702971af6c4
- 05 R 640c3180a9f62400ccb699770d36c96ef0633fd90b2b401cdf6f219cf64aa822
- 06 R a683e336bb2ebeaa262ff5e23c72aead2bdee6964a12ebb4bdd65fb63e23638f
- 07 L 50dba256a4d2a02bb2635927c0f2d52ac19d4b0b56bb6dac861ed112f87102a9
- 08 L 8bcebb67d062a75a15263bfd26c3b335fd373b6f67f34f6d54d661ff3ee87d5f
- 09 R 5a6e9bff77f48be0d0479e3d704f3712d07b3e18eb287dcac25df2ba64dc2c9a
- root 747b8a52a55eeef5b90cbc0ad6e646563614e77aa35713456f17abb978f02274