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 OAS, ALBAY Award a ₱2.0M contract to MAE MAR CONSTRUCTION AND SUPPLYMunicipalities
Transaction hash:
9fa514b9ecf4cca7ad9e46da31d848d60fef6ccc7eaeda9862f877085d6a8f1f
Status:
Included and unchanged
Block:
#5,001 1,012 blocks after it
Position in block:
Transaction 220 of 365
Award day:
Dec 9, 2022 (3 yrs 11 mo ago)
Value:
₱1,993,839.30
Project:
Concreting of Road in Barangay Gumabao
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 #5,001 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 OAS, ALBAY awarded it to MAE MAR CONSTRUCTION AND SUPPLY on 2022-12-09.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 Oas 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 9fa514b9ec…6a8f1fnow …
- 2. Block Merkle root changedstored 4695b32c0d…5953a7now …
- 3. Block #5001 hash changedstored 1958502a51…9b4ca5now …
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 364 records. Each step hashes the current value together with the sibling shown.
- leaf 9fa514b9ecf4cca7ad9e46da31d848d60fef6ccc7eaeda9862f877085d6a8f1f
- 01 R 9fbe2fad4f088261a41c7d05101f2543979cfb2b465abbc7c48380acff7ef30e
- 02 R 0b829ff7eb3eb95f3d6b76cc8b103d9d99d59063034c4c2856675fd880a1965f
- 03 L 877a1050f925c8bfeab5545d757536e44a4d0f7961b92405f81c42177168ca15
- 04 L e526b42c41c81c91237e28f74b66c9c97ca600f9d9c09b9a9c31d0915f0a5496
- 05 L a72795980ed419316600e0e93fb3bbb9d9b579123c3fbfd527fd235aec87fa28
- 06 R 7218154093534fd0e37b968561fe8051f0e0ec2bffb5f5710df1142897b63164
- 07 L 96ed1ca4798edb2857e2bdaa6528eefc2c5b00f06bcb81bc3e98997be78d538e
- 08 L 9f8ad3ee8eedf9f514e4df7bb9832c16f6ef14b57f79257da05f071bf47d5061
- 09 R fb3b057caa7c5b737f1d8c0ca87ef1ebb17ac54169346a99daf1a28705624a47
- root 4695b32c0d3622bbc4f9ff2cbf170cf9717ba3df97269829b21d62d42e5953a7