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 ₱3.0M contract to DZEE BUILDERS & CONSTRUCTION SUPPLYMunicipalities
Transaction hash:
e992977307fc04eb3f5b8a72f6f13427389eb124425de7ee1594adbe8991cd28
Status:
Included and unchanged
Block:
#4,338 1,675 blocks after it
Position in block:
Transaction 99 of 107
Award day:
Jan 18, 2021 (5 yrs 9 mo ago)
Value:
₱2,998,049.25
Project:
Local Access Road Opening
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 #4,338 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 DZEE BUILDERS & CONSTRUCTION SUPPLY on 2021-01-18.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 e992977307…91cd28now …
- 2. Block Merkle root changedstored 78faf0c692…797ec3now …
- 3. Block #4338 hash changedstored 06e31906ee…52a7c0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 106 records. Each step hashes the current value together with the sibling shown.
- leaf e992977307fc04eb3f5b8a72f6f13427389eb124425de7ee1594adbe8991cd28
- 01 L e90374ba2793d6179d3391e2f6b06c8b3818db2c0d2bcdbb2e416f96eb0c4be2
- 02 L 3e3006e30074e86f6b2cc96a376d97c16e1fe329b0410c689861d804f4ce77cf
- 03 R 5ab111c27c01750373467edd608c4ad4b11fbe94fbce598b890ebdcc18a1a138
- 04 R 1461fa0522fea648efc18615bef90d35346d735968e4ba6f83689a87ffd83f61
- 05 R 36f80df6f38d3c5840d29e6634d919b5e7f84da552a149e0e37435940aa41a98
- 06 L 5bba3ed8a9f9d4fcce51578e94f384e06b84c77142bd11793289931d13799651
- 07 L f9b5c8fa003e171232a73c230ebf9581723bbf88edb000f1dc7a262152b67802
- root 78faf0c6921c8dd4fc9e7a3de13f1c8156ccd362ae4e9d35f617d7a561797ec3