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 ₱303.9K contract to MANTLE CONSTRUCTION AND SUPPLYCities
Transaction hash:
806d4e75aa83dfa7bda66441e1daed6a6829092e051cee70b5f964f05be73607
Status:
Included and unchanged
Block:
#2,333 3,680 blocks after it
Position in block:
Transaction 142 of 261
Award day:
Feb 23, 2015 (11 yrs 8 mo ago)
From:
Value:
₱303,851.25
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 #2,333 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 MANTLE CONSTRUCTION AND SUPPLY on 2015-02-23.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 806d4e75aa…e73607now …
- 2. Block Merkle root changedstored b424939e3f…1e5180now …
- 3. Block #2333 hash changedstored 19a541b636…0f6d38now …
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 260 records. Each step hashes the current value together with the sibling shown.
- leaf 806d4e75aa83dfa7bda66441e1daed6a6829092e051cee70b5f964f05be73607
- 01 R 80f716817da81952c2e3b86e8b35d7ce118e2f99fdb5b23abf93a00e9cb626a4
- 02 L 7761b6b65bff5d2b7b79c86e2d162c0e53ecbeda0f127524dccd894c104b9468
- 03 L 5afd197f7cc1f1cbeb8f26ada48602977effc07b8bd4271a0af6eb64e252f83e
- 04 L 9c880213a6ec0e55abe07965732099a1a0a52c498a83db7f031a6410ec24a735
- 05 R 152a68c1a8233b93e7e4975fffb17cdce081db39880324dda89b22ae2ae3dd93
- 06 R 7deb91807412a7ce02c3e64bed524295b00d3cbbac619d1252d3f791f65a32b1
- 07 R a5befde79bddba45433cee0744d705e18a815707f728a5066c83a9470ae3b431
- 08 L 5dfa5341cabd9dfb86aca08810ff31b3b8311c2583e6e7c0ab5673c40dcf04e8
- 09 R a82ef9af0feeed38b1ac220954160396c73021fac55163af9ffa8e87c34b4a9a
- root b424939e3f23e14c651e4628f55332c8081cf7788e322ec6707bbea8591e5180