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 - LAGUNA 1ST ED Award a ₱32.0M contract to R.C. TAGALA CONSTRUCTIONNational agencies
Transaction hash:
1e710e0d69e866d4e6285e9e021395a94aa8d04e95de3560836bbcbd2184ce76
Status:
Included and unchanged
Block:
#2,400 3,613 blocks after it
Position in block:
Transaction 5 of 69
Award day:
May 7, 2015 (11 yrs 6 mo ago)
Value:
₱31,967,780.64
Project:
Widening of National Roads-Secondary Roads, Calamb
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 #2,400 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 - LAGUNA 1ST ED awarded it to R.C. TAGALA CONSTRUCTION on 2015-05-07.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 1e710e0d69…84ce76now …
- 2. Block Merkle root changedstored 42d1aa89dd…a7601enow …
- 3. Block #2400 hash changedstored 65a9e0a5b0…502f83now …
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 68 records. Each step hashes the current value together with the sibling shown.
- leaf 1e710e0d69e866d4e6285e9e021395a94aa8d04e95de3560836bbcbd2184ce76
- 01 L 1a2363b2428fd8f02b2ef4cdb3117dd292cc4ab7fadea3982afd574f45d26094
- 02 R 0249573637e87794efaee5d5079295b270590bb16867b62c0382f1c034c21c37
- 03 L e958e70ee3a2279d0e3b67b0004a647d08f69c390b527a916d16defc3a3ea88a
- 04 R ca23ffba206c4f270cb56e69575fc48befd6eb8d9440819c5e719d1e886ac711
- 05 R 72e8f83fd0d6d15f336510694af91ea63aea7e43c9d362df7d35a6a773605907
- 06 R 4bad1145fff46c8b90a5932e76c232235e445f4318addfe291079b7eb88e4f04
- 07 R 79a9adbbd1ed048c68edfe817487e24eb6f745d52333f424c02d60690b90bd10
- root 42d1aa89dd456f6dbab267731b964c2d349dc22e61289145feb697ac43a7601e