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 BIÑAN, LAGUNA Award a ₱89.9M contract to RCE CONSTRUCTIONCities
Transaction hash:
8a482db9652e66dcc0c81f2bb06d4dcb4d703bf9c1cd02e5c8efff7a6e34969a
Status:
Included and unchanged
Block:
#5,420 593 blocks after it
Position in block:
Transaction 258 of 442
Award day:
Feb 19, 2024 (2 yrs 8 mo ago)
Value:
₱89,909,267.75
Project:
Construction of 4-storey, 42 classrooms school bui
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 #5,420 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 BIÑAN, LAGUNA awarded it to RCE CONSTRUCTION on 2024-02-19.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 Biñan 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 8a482db965…34969anow …
- 2. Block Merkle root changedstored d16bd6bdcc…0731b7now …
- 3. Block #5420 hash changedstored 8d9a0a09ce…9fa714now …
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 441 records. Each step hashes the current value together with the sibling shown.
- leaf 8a482db9652e66dcc0c81f2bb06d4dcb4d703bf9c1cd02e5c8efff7a6e34969a
- 01 R 8b0b2f5af41415fe2318396e7009e72c043b5ee5a630401f2aaf081998cc8065
- 02 L 4287fdf31dbe9da717e3cdcbf9028619082de91f1cf967597699ef1da1660d87
- 03 R 59ce43f5f67dba069b82d0a249097533a0fb15710380c7f335d420f6adba8f40
- 04 R e35534325a1e055b9556fa57ae13b17c26cc0a207377ac70008d3c5105724c43
- 05 R d2c9dd34523509df84ebb8d1b2621cffcabf478cd95c149f459232539684a3e1
- 06 R 0d34efa88ebadcde9ce0b964ff7f2235c95322cf78ce52cab6313f7db1186afe
- 07 R fd0ac921fe5ae75e8ed12e3f7480ac57ca0eed325052ef57f3c89881fcfd414b
- 08 R 70517a7725f01c2555ca1f2c294e96c25809ca7f99f79c92222e8bb51811b013
- 09 L edc15eb906be92d6dc269b6112c84079ac955ac9f601f1c43e96b6aba4bdd171
- root d16bd6bdcc666eda840e30f52be65727f5d07bd5d8dab49e3ae39135800731b7