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 OPOL, MISAMIS ORIENTAL Award a ₱5.0M contract to AT BUILDERS AND GENERAL MERCHANDISEMunicipalities
Transaction hash:
52b80d36dc7e31a186e1bfde31de0c22777a1b51b0a46fbd696afae4856b4907
Status:
Included and unchanged
Block:
#3,938 2,075 blocks after it
Position in block:
Transaction 87 of 265
Award day:
Nov 15, 2019 (6 yrs 11 mo ago)
Value:
₱4,985,366.38
Project:
Infra
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 #3,938 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 OPOL, MISAMIS ORIENTAL awarded it to AT BUILDERS AND GENERAL MERCHANDISE on 2019-11-15.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 Opol 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 52b80d36dc…6b4907now …
- 2. Block Merkle root changedstored 463c20465b…909753now …
- 3. Block #3938 hash changedstored 1b8f6e8e3c…e36ff6now …
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 264 records. Each step hashes the current value together with the sibling shown.
- leaf 52b80d36dc7e31a186e1bfde31de0c22777a1b51b0a46fbd696afae4856b4907
- 01 L 5297a5a7aac96334750d01e64d6fb06d6bdeec7c022cf44a255af71f74a39b9f
- 02 L 10f0de521dc55cde25c0ad2b361f77abac9d7f89e2ce7e22783cbf0083729376
- 03 L 083c5f9d8495a6bd36a04716f88d819c78e805232ef98f0f1153a8b1d193767c
- 04 R 999bb26886204ef1f82a2b6bb14a54c42c585cf7911ca5df97cb0e48f8cfcfd8
- 05 L 2886b7f55d13273cab3dbf618e4150b08d14ab4294d28bbf59055566e2b63678
- 06 R 88929601af283bd36df88b840fe55006ccba00ce055c4ef2c9d478d48ff86fa8
- 07 L cc071592ae05a1d0369182ccc7a21ebdb7344071e794b93b4ca9385a15b2fbb7
- 08 R b1a849c342e64b4c70594f3e23367417fa7b573af8b47b5066daff9dc9522068
- 09 R 269c0104dcebce680cc16034bad9a8f22865880f24fef82251311d3bdfbae79b
- root 463c20465b531dd8a578226c1c4557b7ceb75519a6dfc87afaa2e8f881909753