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 ₱294.4K contract to ARM ASIA CONSTRUCTION & ENGINEERINGProvinces
Transaction hash:
e4c50edcfcd09d03d024c0d9bd79892cab3369e6780109e97598d5b3a4068bf9
Status:
Included and unchanged
Block:
#12 6,001 blocks after it
Position in block:
Transaction 39 of 49
Award day:
Nov 24, 2006 (19 yrs 11 mo ago)
From:
Value:
₱294,440.55
Project:
Improvement of Cabisilan Road, Bauang, La Union
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 #12 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 ARM ASIA CONSTRUCTION & ENGINEERING on 2006-11-24.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 e4c50edcfc…068bf9now …
- 2. Block Merkle root changedstored 8010d92b39…edc2cfnow …
- 3. Block #12 hash changedstored b8657166e8…4ce4aenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 48 records. Each step hashes the current value together with the sibling shown.
- leaf e4c50edcfcd09d03d024c0d9bd79892cab3369e6780109e97598d5b3a4068bf9
- 01 L e3ad8054bf45bb6563b56a9e362236515e52291807d2e0c43a7f4b23418bf77c
- 02 L 0a1ff18b58da04350c5f51112146cc0b20a7cf2665577dab11fbd02ef267f67f
- 03 L 9c59ef44f8190295d81ebfca3554911952c59581ea1dd91ca80a94578cd07cc4
- 04 R 5859609a96d7a25f3a4902e8d75090bf8f72152b7d057f1204bfd3ee80cb5d65
- 05 R 94dadd134f575d9612b339e24c58acfee03575d0a5ccf571a99eb8ff6fa32e26
- 06 L 89c592c6235e835dbd352f77c5dc15840fa4c969ff7d6c75ef4024368cb13d2c
- root 8010d92b3953ee2afc6e909a5b48e7da1d2e8a5db55605424a58af73c4edc2cf