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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED Award a ₱19.3M contract to R.C. TAGALA CONSTRUCTIONNational agencies
Transaction hash:
b1c8b7531bf8cb8ee181b73f5bd5d934a166aa73cf63f9b98935ec8741bcd255
Status:
Included and unchanged
Block:
#701 5,312 blocks after it
Position in block:
Transaction 18 of 23
Award day:
Oct 2, 2009 (17 yrs 1 mo ago)
Value:
₱19,274,887.65
Project:
Improvement/Rehabilitation of Padre Burgos-Pototanin Junction Road (Asphalt Overlay), Km. 156+487 – Km. 158+251, Quezon III
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 #701 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED awarded it to R.C. TAGALA CONSTRUCTION on 2009-10-02.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 b1c8b7531b…bcd255now …
- 2. Block Merkle root changedstored d7891223f8…c0703dnow …
- 3. Block #701 hash changedstored 25701985ff…33f092now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 22 records. Each step hashes the current value together with the sibling shown.
- leaf b1c8b7531bf8cb8ee181b73f5bd5d934a166aa73cf63f9b98935ec8741bcd255
- 01 R cde6bf1996b982f0617acfbb115e5ae74821214c630504e1768cda0542b59b52
- 02 L b74821747fa0d4c3e2386a32bba55ef6c4dee4c4f4edffe95836b659131a5ab0
- 03 R 126d0bdbe3c1d01e1b870ff75807fd415f953a603e49beaf16ecde6928f42936
- 04 R 56d9ed9057b97f46dbc4c2a8cc29936133e5139fd689a7e0e5458a451bf8130a
- 05 L 1e2e506bc56cbaa2fc03adcd3bdaa72a8467767c8fc1af1d6e6b645fb8917a25
- root d7891223f820bed14a1e5b15a2367e790315e385eb3112789982665a41c0703d