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
MUNICIPALITY OF SAN JUAN, LA UNION Award a ₱737.4K contract to ARM ASIA CONSTRUCTION & ENGINEERINGMunicipalities
Transaction hash:
ab749bfda3be86174d400dc6c662cde7b097f04369ab0d8fe18e7126e1e432c6
Status:
Included and unchanged
Block:
#2,789 3,224 blocks after it
Position in block:
Transaction 73 of 124
Award day:
Jul 11, 2016 (10 yrs 4 mo ago)
Value:
₱737,393.77
Project:
Construction/Rehabilitation
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 #2,789 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)MUNICIPALITY OF SAN JUAN, LA UNION awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2016-07-11.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 San Juan 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 ab749bfda3…e432c6now …
- 2. Block Merkle root changedstored cc382052f3…cd78c7now …
- 3. Block #2789 hash changedstored a361d38e16…075107now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 123 records. Each step hashes the current value together with the sibling shown.
- leaf ab749bfda3be86174d400dc6c662cde7b097f04369ab0d8fe18e7126e1e432c6
- 01 L ab436c9f886c193119ac4ce2a0786a5ab1a1132efd5a1726d20a3a2555114c93
- 02 R 6e3f9fb9d07d2e750fb2795c1d4a65967a422168c1e701bd42401c3188d1f73c
- 03 R 158fc7e77943199431e22386497cb78e2f0f87306ce61600a0fa6be1d4cbce3a
- 04 L 011e2b0c6c6abc032e56db46eee4d4c28a8fe65db1a61e384bd94630899ad8dd
- 05 R 5f37a3b23084abed459a9a762b6b6664cc39d043b89785b586690f231f588893
- 06 R 51a0eb2b3399c9e89a10b4aa41d7772df8c41ad357c834162afaca2cdb6e13a4
- 07 L dedf485c2cc5df39315f204cd194308f24557ddd9427d6d230a48ee3c7c6d27e
- root cc382052f379c7b5dd86a0258fb1b3fbdfd7cba407332661fc1dfc897ecd78c7