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 LA UNION Award a ₱3.0M contract to A.R.V. CONSTRUCTION & SUPPLIESProvinces
Transaction hash:
b09a004020a2dd3e86121fb3b4a9aaba46bd5cd2a3c829cdfd9c460c10971eb8
Status:
Included and unchanged
Block:
#5,551 462 blocks after it
Position in block:
Transaction 225 of 325
Award day:
Jul 3, 2024 (2 yrs 4 mo ago)
From:
Value:
₱2,998,201.93
Project:
Guinabang Hanging Bridge
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 #5,551 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 LA UNION awarded it to A.R.V. CONSTRUCTION & SUPPLIES on 2024-07-03.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 La Union gave a "not stated" 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 b09a004020…971eb8now …
- 2. Block Merkle root changedstored 2f022b880f…7261a9now …
- 3. Block #5551 hash changedstored 03a2072175…018893now …
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 324 records. Each step hashes the current value together with the sibling shown.
- leaf b09a004020a2dd3e86121fb3b4a9aaba46bd5cd2a3c829cdfd9c460c10971eb8
- 01 L b08c508de5787fe82a04ba79358ab89465ab3643ecb46031fcf350d6bacd25ae
- 02 R d14ce9de0030936aebf9d71624bb8a46f66d0cda54cf73c9ac6447df158ee511
- 03 R b8ac3aa6e94781e3fb46035e5ad5973f8fdfe60ddd1ba9a7dd6cf00ac50609b7
- 04 R 017f23d2a088a36189d2828220717066003425eb3c84973e7f3362ad4f7cc7f3
- 05 R d1de53c75445f46afd6e3d591b8517d5c8d8df000363bf3c61e901c531691d39
- 06 L 105e1b907993af1e319e02ecef28c93a68d62d1d042c1c2316990df63f50f71b
- 07 L 53527fccfc5b0841985bd83c9ce284c1df4f63907447ff1b2ddeef9dcd81a0d9
- 08 L 365d92b13a776d4444013689258cbb04f9ef8d7157883579f64e7c56f735131b
- 09 R dbfbd8e2fe7f8e4211b0898fefc0a1493d53e64e1171d7b901dbe099a2b041cd
- root 2f022b880fdb3ada172fb205ffae622ef8f089354c665e37d2acfe13077261a9