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
PROVINCE OF DAVAO DEL SUR Award a ₱999.0K contract to CMBUEN CONSTRUCTION SERVICESProvinces
Transaction hash:
8b3a80b9d87efdb4aebe3cce65e16f72cb7872efde791d0f855c1c3983a88bc4
Status:
Included and unchanged
Block:
#5,040 973 blocks after it
Position in block:
Transaction 73 of 137
Award day:
Jan 18, 2023 (3 yrs 9 mo ago)
Value:
₱999,000.00
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 #5,040 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)PROVINCE OF DAVAO DEL SUR awarded it to CMBUEN CONSTRUCTION SERVICES on 2023-01-18.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 Davao del Sur gave a "not stated" 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 8b3a80b9d8…a88bc4now …
- 2. Block Merkle root changedstored e629497d78…eeefbfnow …
- 3. Block #5040 hash changedstored 375b60a152…e56fb0now …
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 136 records. Each step hashes the current value together with the sibling shown.
- leaf 8b3a80b9d87efdb4aebe3cce65e16f72cb7872efde791d0f855c1c3983a88bc4
- 01 L 8a472445d13adaaa81974af69128ea95d081d7f9e0211dd5a00198bda5742010
- 02 R db09bbd99d15cb3d3224f2df10ab3be250f8bae27278d0ffa80773c26098d0e9
- 03 R 9e222a8759d8fdf43336424576a618bf3bf51877b7035612ddd469e1b4b6da1f
- 04 L 759a8be505ef2f380c85fbf88396bfd1da9c9f5604e142cd25ae4bb784e60993
- 05 R d9cc6b50c78b374eb9b1f7a554f6e90f8b961a96139831fb48a108c5230a165c
- 06 R f04d775cafa05d7a767dd31bce70323fe01b2dd78bb47d57195a0f28dafc2957
- 07 L fb1900ef18c65e77df39299a8b31c775be2436e9bf5efbfbb3497eaf94085ba4
- 08 R da571447b972ef1855e560b2e4d5c652e3cdc236a396045088876911a06ca6dc
- root e629497d78885eb1a8f832e0b1bc25be4193d380fd46a38603860a50baeeefbf