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
PROVINCE OF ZAMBALES Award a ₱2.9M contract to DIADEMA CONSTRUCTION AND ENTERPRISES INC.Provinces
Transaction hash:
508e6aefa89fa747094e11bc0064386af1f3e1179aafda9504948a83637f7d77
Status:
Included and unchanged
Block:
#5,730 283 blocks after it
Position in block:
Transaction 55 of 225
Award day:
Jan 2, 2025 (1 yr 10 mo ago)
From:
Value:
₱2,872,017.44
Project:
Construction Projects
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 #5,730 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)PROVINCE OF ZAMBALES awarded it to DIADEMA CONSTRUCTION AND ENTERPRISES INC. on 2025-01-02.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 Zambales 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 508e6aefa8…7f7d77now …
- 2. Block Merkle root changedstored fcdb293fdb…ba171fnow …
- 3. Block #5730 hash changedstored cafa096f3c…94653anow …
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 224 records. Each step hashes the current value together with the sibling shown.
- leaf 508e6aefa89fa747094e11bc0064386af1f3e1179aafda9504948a83637f7d77
- 01 L 4f7fdfc665843a5c2e6892d052fa374e1895acd2ab6d8f11f8f252883fc3dd39
- 02 L 9593f3ff4986cfdbdbca739be778805bc915e33315828ac08ebff1b755b507c6
- 03 L 9b2a0ff5c836a4c1c791a2f4edd1a09e667a0097094354f77c7008005af2e730
- 04 R 9a99fe1f42049ad1e437702a5c8d171b54fc7299e268a86cb770f9908a6a2127
- 05 L 2878d90533438d1b6a0bd21caf81b921243ca94b2a5d89958ce341c7dc67275b
- 06 L cfadd79ad4f871e350a62ae3235d7fdfcb502557f6fa88abb56caaaa56ec40c5
- 07 R c285fcc8ada46a5e8b8260368f642be3f2dd2f8b032774604032adcf1d5e7171
- 08 R b9ab50e5384458715932d07d94f22df7decd1e19416fa6edae3b21368505c333
- root fcdb293fdb307f79f162528278de9840e81d9fe385f020bd951bfe09f0ba171f