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 KALAYAAN, LAGUNA Award a ₱4.0M contract to NABONG-COLLANTES CONSTRUCTIONMunicipalities
Transaction hash:
fa108a6016d40a274a11dd01eb703ea5a5bd6eceb0acce00e364c6cb386ef5bd
Status:
Included and unchanged
Block:
#2,927 3,086 blocks after it
Position in block:
Transaction 212 of 218
Award day:
Dec 7, 2016 (9 yrs 11 mo ago)
Value:
₱3,990,619.83
Project:
Construction Project
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 #2,927 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 KALAYAAN, LAGUNA awarded it to NABONG-COLLANTES CONSTRUCTION on 2016-12-07.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)COA's CY2024 audit of Kalayaan gave a "unmodified" 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 fa108a6016…6ef5bdnow …
- 2. Block Merkle root changedstored 7aa86abc49…698a9cnow …
- 3. Block #2927 hash changedstored fa843e48d8…cbbff7now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 217 records. Each step hashes the current value together with the sibling shown.
- leaf fa108a6016d40a274a11dd01eb703ea5a5bd6eceb0acce00e364c6cb386ef5bd
- 01 R fa96f46a0ed53d717b26667133d8eb47b3dc89541cbca2259b4fb8afcac43d50
- 02 R abe9c26c5890fe348f52033305bbb2180214bfe9de3bffe88596364269c0a825
- 03 L d3e139713653bbd6ae9bdb9b9e4aa7e3c28becf1b99e1745fa95fec57c98882c
- 04 R 43cd6eee307cd51ccb40a3d45f28309a5a6154be35a62d262a06452a0a81a978
- 05 L dbb9d4ba85c01a995588d055b611a084298bdd3c4ad9ecd1506455abdca8828c
- 06 R 50a71bc28086b52bfd8ff48e694d17fda2f19b7dd4c09dc23231bf64c0006243
- 07 L 9188c9062bb7de76052e754445bcd0195e21997745cabdbe7c7dcfa805da0d74
- 08 L 88d1d240636f159763aeb9f673893790a1563ec57d62142fc8dfc9d36de85f25
- root 7aa86abc496970291f6128a4e20f2a272fcc996ac4f7939a5715e9a116698a9c