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 SALVADOR, LANAO DEL NORTE Award a ₱3.8M contract to VERTEX CONSTRUCTION AND SUPPLYMunicipalities
Transaction hash:
3a115fef8a3503e3440f66cc9e4f5f276fa17aa27a545b1715b49d9462c2c771
Status:
Included and unchanged
Block:
#4,455 1,558 blocks after it
Position in block:
Transaction 68 of 205
Award day:
May 20, 2021 (5 yrs 5 mo ago)
Value:
₱3,843,348.92
Project:
Cement of Local Area
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 #4,455 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 SALVADOR, LANAO DEL NORTE awarded it to VERTEX CONSTRUCTION AND SUPPLY on 2021-05-20.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 Salvador 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 3a115fef8a…c2c771now …
- 2. Block Merkle root changedstored a34cfebb4d…0c328enow …
- 3. Block #4455 hash changedstored 47f7941a01…7f6e67now …
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 204 records. Each step hashes the current value together with the sibling shown.
- leaf 3a115fef8a3503e3440f66cc9e4f5f276fa17aa27a545b1715b49d9462c2c771
- 01 R 3a95d88e33d8fbd3f49339b557caa3fa670ae6c2abbef6f193bc0aa72f44c227
- 02 R 326356e7785ddb7d14ae384b2708158ca20edffb2f73465bd6a261fd0687396a
- 03 L 79833d36fb6f46690f527e1e2fe473ccbb2674334e8c7024a3cf980135f8096b
- 04 R 9ba1a2960a3933238959f543484d2239edcba0cc9cff2a467880b00a3985267f
- 05 R 016f257b44307224f9889092c63cea585927be437e92a2a11a1bce38a8e2f7a6
- 06 R 4c38b6f8b9a1350411438d6b5cae56e72e4879a02dddad52a423ab787254b1b0
- 07 L f0cc38acf39448a63563d0a2dc5050025fd492dc3fe44289ee12d31769a8ef16
- 08 R 2df8a09524e5d280ba001b8a816b148a246ad03ee58301998ad5dec8eb883176
- root a34cfebb4d0e98fe3f5d84efa84820321887e83903f34f6950337309a00c328e