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 ₱4.0M contract to AL-AMO CONSTRUCTION SERVICESProvinces
Transaction hash:
bd99613413f5ca3fa7897f3eae9bd1bf040138ebb1353599684f943f8cb7d185
Status:
Included and unchanged
Block:
#5,505 508 blocks after it
Position in block:
Transaction 201 of 279
Award day:
May 17, 2024 (2 yrs 5 mo ago)
From:
Value:
₱3,998,845.17
Project:
Pagdalagan-Bungro-Tangquigan Road
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 #5,505 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 AL-AMO CONSTRUCTION SERVICES on 2024-05-17.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 bd99613413…b7d185now …
- 2. Block Merkle root changedstored adac615397…5d084anow …
- 3. Block #5505 hash changedstored 44723d8421…b3e21cnow …
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 278 records. Each step hashes the current value together with the sibling shown.
- leaf bd99613413f5ca3fa7897f3eae9bd1bf040138ebb1353599684f943f8cb7d185
- 01 L bd65444391daf48423580177f0980d3dfc450eca2728fdef525a25aae76ec601
- 02 R f1947905d865dd62cc72647b2cbe12b9e19ecda38229e50a214dbc6cdf1604a4
- 03 R efb195a40b9c515793b41bde485bb1063ecfe8e029e8c10586532b13c11a6355
- 04 L afd649f8604a778dcea81d241b4cf9ea1262a8e9a94a584bb1479b8cbe727f5c
- 05 R 19ac1edf36b017d727bded99dc0a18ad02d89eff3c5f845f0c8efd7acca9cbca
- 06 R 07ee8995d0ceaf5529f400d1d9c697eca968973f43933df0d46426b7c615460a
- 07 L 0a9247813d8bc7ff6cc6ad43fedb6ba0054232ad7062358f30eaef5382508768
- 08 L 93ed2e4c0cd9c56f1b582752acd5ce00ff254283e872379c58abf8118caf5afa
- 09 R 1efe3e8c0c5e3b9dab79c615b0ab0cf745332060d630d52f01e97eee361f69f9
- root adac61539713563463381e3e4f08e99f57591b037f5b1da54466acdc5d5d084a