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 ₱26.9M contract to ARCEGA CONSTRUCTION SERVICESProvinces
Transaction hash:
4482c8d8adbb12cd82face9755a726f023da6c971cd864d5dbe26b62886d7388
Status:
Included and unchanged
Block:
#5,062 951 blocks after it
Position in block:
Transaction 69 of 241
Award day:
Feb 9, 2023 (3 yrs 9 mo ago)
From:
Value:
₱26,875,924.99
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 #5,062 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 ARCEGA CONSTRUCTION SERVICES on 2023-02-09.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 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 4482c8d8ad…6d7388now …
- 2. Block Merkle root changedstored b1cc808efd…399e5bnow …
- 3. Block #5062 hash changedstored 17f7e9d8b8…4ffecfnow …
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 240 records. Each step hashes the current value together with the sibling shown.
- leaf 4482c8d8adbb12cd82face9755a726f023da6c971cd864d5dbe26b62886d7388
- 01 L 446e84c8745e5c216ad18dbdce5f5ce7e873cd6323ede8787b69aab4273b8188
- 02 R 274f261360fd0fd06db2f70ac209609df9d687ed2387920b021b806a3e158d07
- 03 L c5f6e02fe5b031686829f8d4480eb2a2d6a260f0802b07f698babf8f0c126532
- 04 R 90b6a040254b1f1df5cf213f15ffe5f91ada8e0079421efd62b75b4677045532
- 05 R c81671bcafca6e0c1c1cae307ed3e890396f7e5313ce37c56d256e056a0d64ed
- 06 R 0886f8f80dd912990614e0f4accdc3d6363c817612acec41ccbe7507b483123e
- 07 L 267c4d67c40effede0b0afbc622a6869677c8d686f93f64ea0373a14cdc70da8
- 08 R 94140397bb3274ff96a4721c070587fc0c12e7aedcdb4c1427b2cb9453e5ecbd
- root b1cc808efd6b23f6b942fc65471259ab130ac3815a7d60797ff21fb897399e5b