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
CITY OF LIGAO, ALBAY Award a ₱2.0M contract to 4DOVE BUILDERS CORPORATIONCities
Transaction hash:
b4f7a30e09b5d2e25aa2a3ee30210edf3b57b16391ce96cd21f4a4b47c4b4f4e
Status:
Included and unchanged
Block:
#3,712 2,301 blocks after it
Position in block:
Transaction 219 of 339
Award day:
Mar 19, 2019 (7 yrs 7 mo ago)
From:
Value:
₱1,987,372.64
Project:
Construction Projects
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 #3,712 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)CITY OF LIGAO, ALBAY awarded it to 4DOVE BUILDERS CORPORATION on 2019-03-19.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 City of Ligao 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 b4f7a30e09…4b4f4enow …
- 2. Block Merkle root changedstored ac4e8deb70…d10c0cnow …
- 3. Block #3712 hash changedstored 0cbe9d6eb2…3b30a9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 338 records. Each step hashes the current value together with the sibling shown.
- leaf b4f7a30e09b5d2e25aa2a3ee30210edf3b57b16391ce96cd21f4a4b47c4b4f4e
- 01 L b4132c72fa7155c3b3622d3f40627fb680c491f9cbb6714cd574faa71e074d92
- 02 L 12cb11a03ce8b9529c3fc67bba542e89959fa12a0f0c8e7ee97c2305f3ef6fb9
- 03 R e74fd6861c25e127889a29c580b0ed1bfb3c8f4a15af15884fdbfb7d0e041521
- 04 L 430eef7b602f1809631d351aa580d7e93c8a52e02a8a848e9b83b651a26b55ac
- 05 L b667d7293c6c1bff5debf60fdc17364b78e94da3de698d08b2954f53dbe6cba0
- 06 R 64325a4366bc445829f8b84e6922e1d44b8cf98808ce5a4aa57e9d6a81ca76e8
- 07 L 11b634148df73350717b08b6b784f2a4a7dfa0f0814eeb51ccb789eb76503b36
- 08 L fcd1c87a7b128a300c9614c8e96a3235eeca1566dc81426573a892531f3290b4
- 09 R 4f2038b426498f482236eea7f6a82c34369d3fb6c760e2807f8f91cc4c4f8c98
- root ac4e8deb709b33500869c4843cd37fc75d61e6fdc223434c714f072593d10c0c