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 DAPA, SURIGAO DEL NORTE Award a ₱3.0M contract to AMA CONSTRUCTIONMunicipalities
Transaction hash:
4754b85f89ae2cdcf90b20efce9117703a057e1d9745b90480fb8ec288aab96b
Status:
Included and unchanged
Block:
#5,762 251 blocks after it
Position in block:
Transaction 106 of 340
Award day:
Feb 4, 2025 (1 yr 9 mo ago)
Value:
₱2,995,927.28
Project:
Construction/Rehabilitation of Local Roads, Dapa
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 #5,762 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 DAPA, SURIGAO DEL NORTE awarded it to AMA CONSTRUCTION on 2025-02-04.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 Dapa 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 4754b85f89…aab96bnow …
- 2. Block Merkle root changedstored 31fbc8b992…e5063cnow …
- 3. Block #5762 hash changedstored 5c8ba44953…f93f25now …
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 339 records. Each step hashes the current value together with the sibling shown.
- leaf 4754b85f89ae2cdcf90b20efce9117703a057e1d9745b90480fb8ec288aab96b
- 01 R 4948327dc1fe99ab082895816bbcbe1bc190ac02e8c97b27a08f62c7493cb37d
- 02 L ff15f475d6373304dc532742d3270842a60b1a45c9bddec1fcd51855bfeb6b73
- 03 R d924100bfcc151c41f41514df16aeafae058ca274ab92411ecaccdc1b19a2975
- 04 L da1ec3a76011cec58c8e376d4eb585a7a9e4cecbfacad644f278596319a23296
- 05 R a7b4e5d09704c6524bb3f06438eedb097526425b1d8653bd177af257abd53075
- 06 L d0144674cc824b801bb08f0cb04a94c225843170749b20f5100dce2412fe6e6c
- 07 L 1fc643b8b6569198a0a78129d6eb4465a7539e531aa481aec56c9fa5d4badd7e
- 08 R bf1c96d90d63f76600783bd120ad6d4863a711e03b8bbc7d5564d60a2daf259d
- 09 R b44f7eef75e2b1f04fecd30ad8f9e9b29b598f3f0faff7ff44a4432cb1c5c6dd
- root 31fbc8b992e596f8e7ef19f11bf28b00f7862487b7d2ab89bb345b3e43e5063c