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
MUNICIPALITY OF SAN NICOLAS, ILOCOS NORTE Award a ₱2.7M contract to ZEDIK BUILDERSMunicipalities
Transaction hash:
db25bd821c8f9f6bb2f445f22ef2ad9a871707f7a8323256a97b67de9fb62cc9
Status:
Included and unchanged
Block:
#1,441 4,572 blocks after it
Position in block:
Transaction 55 of 71
Award day:
Apr 30, 2012 (14 yrs 6 mo ago)
Value:
₱2,652,091.20
Project:
Construction of box culvert located Laoag River Basin Dike, Brgy. 3 SNIN
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 #1,441 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)MUNICIPALITY OF SAN NICOLAS, ILOCOS NORTE awarded it to ZEDIK BUILDERS on 2012-04-30.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)COA's CY2024 audit of San Nicolas gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 db25bd821c…b62cc9now …
- 2. Block Merkle root changedstored 933b3600d7…7b6c3anow …
- 3. Block #1441 hash changedstored 4b3c92abf9…77e83bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 70 records. Each step hashes the current value together with the sibling shown.
- leaf db25bd821c8f9f6bb2f445f22ef2ad9a871707f7a8323256a97b67de9fb62cc9
- 01 L da5682c68d485f68ebff7818cd30e6bff76583a39bb20f3f860d2f9e6f61e239
- 02 L e4cb8952213d26495a374e1e6b2835f8cd64d1f66762ce4949814c7819755c66
- 03 L 82b77f4ea9e856c7ce0a67486e0436672002b6d43da8e2028d6277e39ae393d4
- 04 R 57ca70437b47e12ccceb2513464f56ea3dced4bd6cdae3a9891f6b08977db506
- 05 L 413ef707bca6757cec0914eff96ed6112bee1d4a7a41bb0ac2059d7f5bb71ff9
- 06 L 70c7073483fb5b5aa4d11baa71a8af6b4d6908a1b1fbf98d214de60eba852e90
- 07 R ea05b1f33bd2a25678b2bb17818b65957804ffe4aea52eaf2ca85458d26c4449
- root 933b3600d79481b7ba7dde631162cded111792d2d2dc79955b50548b807b6c3a