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 SAN ANTONIO, QUEZON Award a ₱1.2M contract to AM ABDON CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
ff11a10b09e3b2a26bbd76cdafcd61c0e05639a1685e0e5a25d885b657ca8d5b
Status:
Included and unchanged
Block:
#4,519 1,494 blocks after it
Position in block:
Transaction 298 of 300
Award day:
Jul 26, 2021 (5 yrs 3 mo ago)
Value:
₱1,195,915.35
Project:
Improvement/Rehabilitation of Multi-Purpose Halls
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 #4,519 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 SAN ANTONIO, QUEZON awarded it to AM ABDON CONSTRUCTION AND SUPPLIES on 2021-07-26.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 San Antonio gave a "unmodified" 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 ff11a10b09…ca8d5bnow …
- 2. Block Merkle root changedstored 50c789a116…aa9007now …
- 3. Block #4519 hash changedstored 8d051704f8…28fdddnow …
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 299 records. Each step hashes the current value together with the sibling shown.
- leaf ff11a10b09e3b2a26bbd76cdafcd61c0e05639a1685e0e5a25d885b657ca8d5b
- 01 R ffa75b6ef5c70970099cfa5b092e0798ef3f0f1c35363c6ec57806bc6065167d
- 02 L 12ecd5a993fa7f5b4035872a533e24df4bddd7df46b26adc09f33bf28f6145bd
- 03 R f2c3eb14ec02b3de31076578a6b5ecc2a7122085c040ae82d511452f6c88113f
- 04 L b80173564b21679394c82ea7b58b478191e3d42e5366079d9cd1cba194bfe0f8
- 05 R c940fdf7b74c95c040b8cb64beca1d72ba301c48e4cd176d106dacfb28bc6ee8
- 06 L 35185ed219054d54b14c80a98285c3ac9f46a92c13c5d65ac49ff4c681e84c89
- 07 R 48f7556cef33a0ac09f5dbcc158d690268f0b6de0b4ca6af4ed45ef03dcf0988
- 08 R 2a516081749b23cd65b25df4d4a5608b0a0f8f51f9dd4f118c30ab62a5b42bb5
- 09 L 8b7cce7b5aacde1cfe1f5cc921b585f0ee5f908fb82d289912864a8f70b53ca2
- root 50c789a116aeb0c0819ab3f3ce4f0fa5271b2135f99dbae0a497731527aa9007