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 ₱498.2K contract to AM ABDON CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
c0bd2e1d3ae43e6d4cefb593eb8cfe2fca836a0c77263c3d1c063410901d944c
Status:
Included and unchanged
Block:
#4,590 1,423 blocks after it
Position in block:
Transaction 157 of 203
Award day:
Oct 6, 2021 (5 yrs 1 mo ago)
Value:
₱498,214.50
Project:
CONST./IMPRVT./REHAB. OF MULTI-PURPOSE HALLS/BLDGS
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 #4,590 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 2021-10-06.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 c0bd2e1d3a…1d944cnow …
- 2. Block Merkle root changedstored 1296ab8544…ac2babnow …
- 3. Block #4590 hash changedstored adcd970c35…e63653now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 202 records. Each step hashes the current value together with the sibling shown.
- leaf c0bd2e1d3ae43e6d4cefb593eb8cfe2fca836a0c77263c3d1c063410901d944c
- 01 L bed0c2d23e271afa6729e4d3a166b3b2fc13304e0287db30af2dd7c684b0f32c
- 02 R 4e9d8e20445fce683fefaa0b2fde2023176260b1a455e01ccaecc71a363ae771
- 03 L 9880a95b590015195740dcb92882164bad7c3156f2d86b4bc567bf5b3976e6db
- 04 L 7a2434a31ed2bc7514b0a129df6fbde8911f377b6372d89d9a3ec30d25b17dd7
- 05 L d92a3dcfd8cd176f6a8533c8fcb23efca49b68c0dce4c88c96459a10555572ff
- 06 R 0ae6d2e83f2493038804795bb57eb0141538c6c5f70e0380258d446993949de8
- 07 R 93640a7651e687aa5e9983eea8315fdbc9b51a3894c0548c8501c5e9b599ec35
- 08 L 9bd8e2fe5720a671c3b1f64f26368cac5be8bda44cc7c8eee3db51fcf65c8cc3
- root 1296ab85448200d3db264e100a54dce26fd8a41244453843f3772ebfa7ac2bab