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 - ZAMBOANGA DEL NORT Award a ₱7.9M contract to MONTAÑO CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
1d0a94946c19f8f574857006f1d4444f12b525e3286016d95a66f65bd2e6c429
Status:
Included and unchanged
Block:
#5,165 848 blocks after it
Position in block:
Transaction 40 of 377
Award day:
May 26, 2023 (3 yrs 5 mo ago)
Value:
₱7,887,971.26
Project:
23JC0050 (Re-Publish)
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 #5,165 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)The award does not say which budget line pays for it.Not published
- 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 - ZAMBOANGA DEL NORT awarded it to MONTAÑO CONSTRUCTION & DEVELOPMENT CORPORATION on 2023-05-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 1d0a94946c…e6c429now …
- 2. Block Merkle root changedstored eea2b68323…f33c8bnow …
- 3. Block #5165 hash changedstored 9084f37ef4…fd6ee0now …
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 376 records. Each step hashes the current value together with the sibling shown.
- leaf 1d0a94946c19f8f574857006f1d4444f12b525e3286016d95a66f65bd2e6c429
- 01 R 1d9f055abb4d6714765ca310fdbb9157302efba5f6933bb162e0414edd950910
- 02 R 018a3ffb93d64c0218bb81b1da56275a1dee12c0e7339078639f52fe5f53255e
- 03 R d5ff55c7330f7fa7d39234f5b6c32c028bd71a48978a8347261232d206495e74
- 04 L a69cd922d743043fd4f7930b9397238358527a0034589f261986c99acff95534
- 05 R 0fe6dc99e122419d5d80e4b13d4726b51999d32a2d1b5d3708cbf5277012f38e
- 06 L 9a4b79ae5b58c1ea9ac80cc294224b31e2f1e5c6544a20f5d5c49fbd36595e36
- 07 R 7b15bb109b72569024206c0fb4d9d6e7f5c780265e8803bd1ee7f564cb786054
- 08 R 849ec676afb945c7a6b0da006ed7c65430ed235899202a8776eec776d5c9868a
- 09 R 76c390f5ecf75894d455102c2b019f4dfc1642db923c442616e3378ec3658d73
- root eea2b68323095ee56d88344d2f73eab46738e38855d61abf8a1819c76ff33c8b