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
CITY OF TABUK, KALINGA Award a ₱49.6K contract to MEL'S CONSTRUCTION & CONCRETE PRODUCTSCities
Transaction hash:
41dc34ff5e0dbb68543fd4074c9a4ddd7e348118d95fdbe20324ef98b415e6d6
Status:
Included and unchanged
Block:
#2,845 3,168 blocks after it
Position in block:
Transaction 45 of 169
Award day:
Sep 8, 2016 (10 yrs 2 mo ago)
Value:
₱49,627.50
Project:
Construction of Water Tank
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 #2,845 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)CITY OF TABUK, KALINGA awarded it to MEL'S CONSTRUCTION & CONCRETE PRODUCTS on 2016-09-08.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 City of Tabuk gave a "not stated" 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 41dc34ff5e…15e6d6now …
- 2. Block Merkle root changedstored 1b5d994d3e…4ecae1now …
- 3. Block #2845 hash changedstored 493c8d0447…cdb479now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 168 records. Each step hashes the current value together with the sibling shown.
- leaf 41dc34ff5e0dbb68543fd4074c9a4ddd7e348118d95fdbe20324ef98b415e6d6
- 01 L 40c011f72da79191c7bae91a0d0b931f1921a3292a5a969ffb530c5d8da1b788
- 02 R 33a489045a23a4c1337263e0a7ba4c99bf6cd0e6dd2c884bb355100d776981b3
- 03 L 9da67f075663f342db2199a52d117212766ac74a5bb2b49f09bdb66eff72c141
- 04 L 5bd7971a3bb511b71668be2ee11e8ccde024a9441bd0f30200518449c5683020
- 05 R c72bbf28e7329ade6b5dfef2735e8c4ea227540ffa8afa60a45e58d9fd7d39b5
- 06 L 8efa007a18920598854505ec7afcdb85b5a0f662b3c72a060c834587aefea1a4
- 07 R e2e698b07eb09acf7bc7ad7e146ab26d6b8527dd38d129211bf6a8b1c3416987
- 08 R 914ba092a3a4bb01203e4214b11ab33848f81f947b7afd1f8ccfaf9e437d9458
- root 1b5d994d3eec2a9131892fab7ab2806c7332f5f05bee77e4b4362c745a4ecae1