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 ₱126.7K contract to 3 SUMMITS CONSTRUCTION & GENERAL MERCHANDISECities
Transaction hash:
a41bcdd14e1bbdd66109ce532758f58bd6b8a0211192382d0a651df95ba6def0
Status:
Included and unchanged
Block:
#3,841 2,172 blocks after it
Position in block:
Transaction 187 of 298
Award day:
Aug 7, 2019 (7 yrs 3 mo ago)
From:
Value:
₱126,668.44
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 #3,841 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 3 SUMMITS CONSTRUCTION & GENERAL MERCHANDISE on 2019-08-07.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 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 a41bcdd14e…a6def0now …
- 2. Block Merkle root changedstored 2383a3092e…cbaac9now …
- 3. Block #3841 hash changedstored a9714a22ac…ba8e80now …
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 297 records. Each step hashes the current value together with the sibling shown.
- leaf a41bcdd14e1bbdd66109ce532758f58bd6b8a0211192382d0a651df95ba6def0
- 01 L a37318a4c6d3461722b4b173b2b72e01f45475a0d72d96c2208dd6141bd7b607
- 02 L 5050316bcb291b146a7437d602d6323e18e5b37286df38902060c6a77badf911
- 03 R 4663361e97c517ed38ccce77bfde9ecf7f1f77aea32ff4cbd0462f9139f38d11
- 04 L 024ba410b1ed529419c0b4d2ea734207cccb95748465fa7bbbd794186dc3db84
- 05 L 36f1db11e795a2d2e8df65bc3640539d30364211743bad3eba120a0bc85d44e8
- 06 L 5754c1dc94eaf431b90633b04723370fb25ad69d31ae37b53d6292cc6e576e40
- 07 R 3c73b5fb3551dfa04392459738af877a1acbbe8fe9e4cc2733587fee9aabcc02
- 08 L a300ba0407651a50a8d2349a49503762a2afc23d85b145456244c578790e5b1c
- 09 R 0a92089f52bceb89ce687d2b764ea610a5ada9c90cc3f436ec14d0760305dfe1
- root 2383a3092e8ba8baecb29db1cc1edddec495918e7d1263e17f9637117acbaac9