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 ₱364.2K contract to L AND A BUILDERS AND SUPPLY CORPORATIONCities
Transaction hash:
48836d3c8a265aee18348f94be026b8ed7dbddd7f4bab63484be183950a732e9
Status:
Included and unchanged
Block:
#4,862 1,151 blocks after it
Position in block:
Transaction 37 of 171
Award day:
Jul 20, 2022 (4 yrs 3 mo ago)
From:
Value:
₱364,238.40
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 #4,862 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 L AND A BUILDERS AND SUPPLY CORPORATION on 2022-07-20.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 48836d3c8a…a732e9now …
- 2. Block Merkle root changedstored ff34f9bd31…d23678now …
- 3. Block #4862 hash changedstored 5c73fed7cb…ea8bf4now …
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 170 records. Each step hashes the current value together with the sibling shown.
- leaf 48836d3c8a265aee18348f94be026b8ed7dbddd7f4bab63484be183950a732e9
- 01 L 47b10f66eedb010c46e51f3b43d7f85928a42613cb68c783ae2b921882f2c45e
- 02 R d70705fab07befe52f8d41ab52ae96169eae072b2746a0a0b4abdb215fbfecd6
- 03 L 4f3adc7bb1f22f3c18d4c917702866f4c14496449a2fa725c201a0b48c98f9c0
- 04 R 68f9fe877c5edcc0a1588aca566c6b6357e632df79da30d1497d3acdc16f797a
- 05 R 6947ca9e7b84d2168cf9b81a24e30a9d1e943cf349df9887d7a1d696faf2038f
- 06 L 5efbdd07befd260e290306a33314099606e89a223937c79e448492d089123d7f
- 07 R 76832ebf59d5a37aefcdb7d611798b5d36f1f262d1a1ab71eb4ccaae61e09baa
- 08 R 975f7f950808ee1bbb5a7655276ca78f33761cd71ee09e5bbf6596e4b3bc57fd
- root ff34f9bd3156762bf2458552c80290f71dce5fd6d27165e7e909e95040d23678