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 MERCEDES, CAMARINES NORTE Award a ₱3.9M contract to R & E BUILDERS & SUPPLYMunicipalities
Transaction hash:
fe82ac4172cc1f75915eae1b8b55acca772da50ca0afcdb0341b1bd4e6ecba96
Status:
Included and unchanged
Block:
#5,931 82 blocks after it
Position in block:
Transaction 443 of 447
Award day:
Aug 8, 2025 (1 yr 3 mo ago)
Value:
₱3,898,464.34
Project:
CIVIL WOKS
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 #5,931 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 MERCEDES, CAMARINES NORTE awarded it to R & E BUILDERS & SUPPLY on 2025-08-08.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 Mercedes 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 fe82ac4172…ecba96now …
- 2. Block Merkle root changedstored 7f3d0fc57b…4a6948now …
- 3. Block #5931 hash changedstored fdac2a2d14…71033anow …
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 446 records. Each step hashes the current value together with the sibling shown.
- leaf fe82ac4172cc1f75915eae1b8b55acca772da50ca0afcdb0341b1bd4e6ecba96
- 01 L fda2c06d6d05dd8bfe4a2812b6de8c31300336e8d19c348f83a0fbb1fd30d0eb
- 02 L 81f42311b262359d5cce011b43e717dab78e25ddb6616a4e101340600ce4a915
- 03 R f8818ede0d353f8e0a3721a09a88057eba66078728578bbc9adb772943ddee5b
- 04 L 2d9cc5c7a6b3f8cad2f1f74daa67cf06682caeacfe0b03cd0982f43cfcb3733e
- 05 L e97d739eb0faf74e49ae56e8acac36732050aa10183f01f68c48214cf716309f
- 06 L f142acd33f35838724a5879c2cc6636854005d25bbdc487a2d9bcafacaee999f
- 07 R ca6449a525d0b2cabff2f69d18305212658fdc99338be1477837302c93b6ecad
- 08 L 7c29edfc09aee756d27c66291cd0299f541674c182b0af0ebd8e73c5666c71ab
- 09 L eae26a229b1daa563cd005d1ff21d59bc6d57bd67f1aae00507dd00c1e4f9707
- root 7f3d0fc57b22cf7730f5d4660cf91f5e682eb4a2b9c708561c5a7a838f4a6948