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 - NORTHERN SAMAR 2ND Award a ₱18.5M contract to MIK AND MEL CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
91d7d67499fd082bba04a7ee6bffd6e58468a191b1cb8ae73e73d2c498a4668d
Status:
Included and unchanged
Block:
#5,812 201 blocks after it
Position in block:
Transaction 736 of 1,376
Award day:
Mar 26, 2025 (1 yr 7 mo ago)
Value:
₱18,529,638.26
Project:
25II0004, Rehab./Recons./Upgrading of Damaged Pave
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 #5,812 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 2025 OO-1", i.e. the FY2025 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 - NORTHERN SAMAR 2ND awarded it to MIK AND MEL CONSTRUCTION AND SUPPLY on 2025-03-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 25II0004: 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 2025-11-30). 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 91d7d67499…a4668dnow …
- 2. Block Merkle root changedstored 826d57e981…f5a1fdnow …
- 3. Block #5812 hash changedstored c3af4c89f9…8b611bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,375 records. Each step hashes the current value together with the sibling shown.
- leaf 91d7d67499fd082bba04a7ee6bffd6e58468a191b1cb8ae73e73d2c498a4668d
- 01 R 91fb8888e504d8160842fb5a71eece47a0d5b41770d8d5ff5f1217e1d8b5579c
- 02 R ad95a9b693c70fdca299978125f106c98c28bc0a544c9a4acfd866a6a816290b
- 03 R 5755a56d9ab8288fd8b5dcbf986abd6e02e803f219c1668f9c661373537b1bef
- 04 R 5acf7813ba22212031f529b181aa74c04bdf7985f20078f01cd7a7c7f1baf5e5
- 05 R 720c2d1924548c82d7a29cdee3a9c534d977ef76b99f0a270d6200a0448c327c
- 06 L 4a855f6dadfb5e25de7cacd02f5e9367bf4bda49b614e54e759007031060fa8e
- 07 L 4b089771e419930eb550610848cb17d6a594955dba3d360d58733e391e7b2cf8
- 08 L 74c92bdb2075b902b23b817edd0a721a965bc74fa2e4d8e95d0d91ce768cfece
- 09 R f77adbd5d435c12b8891fca7abe9188bebb486fba21d2bb12e5f1b28bac9222c
- 10 L e1175ccd649255087096c7c42098b7775ce88d8a66b7e928c253769f246f550e
- 11 R 4d35a1f3e3f031846bc86d8addc31223950dc05559140a8d8095a8d578ed57eb
- root 826d57e98128d5f582135baa887df2bf20ad5c3407f984661dd09ea7c2f5a1fd