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 DAVAO, DAVAO DEL SUR Award a ₱39.4M contract to RDF CONSTRUCTION & SUPPLYCities
Transaction hash:
df1d1305c8d3c9ec6b92dfba9cad35aa3496ec9270cd03b86a0d9aac6b7c4415
Status:
Included and unchanged
Block:
#5,786 227 blocks after it
Position in block:
Transaction 913 of 1,023
Award day:
Feb 28, 2025 (1 yr 8 mo ago)
Value:
₱39,379,985.11
Project:
Infrastructure B01-2025-05
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 #5,786 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 DAVAO, DAVAO DEL SUR awarded it to RDF CONSTRUCTION & SUPPLY on 2025-02-28.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 Davao 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 df1d1305c8…7c4415now …
- 2. Block Merkle root changedstored 01b33dcc04…e75c38now …
- 3. Block #5786 hash changedstored 7ea2a97090…f2e225now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,022 records. Each step hashes the current value together with the sibling shown.
- leaf df1d1305c8d3c9ec6b92dfba9cad35aa3496ec9270cd03b86a0d9aac6b7c4415
- 01 L de73fa0c98ef71ec23824e62378724d53eab363a700da50f3bb793124cc7c9e3
- 02 R fcdf47d35d2081801c9ba9a171194b996c4c86bdaf261da5a0095eb9090c43dc
- 03 R b5807b613c70a18980d40d37e1f3f1f8388e6cfc98b68e8cdd44cca0f60b4c90
- 04 R 9126f6d74927372475ed1f8d80eaa7b0887bd225cd178da0db61a649844598e2
- 05 L 33455e60fa783c7016cc7c908110629c481ab0ae01b58d0fa21ed6b7b32565d2
- 06 R db24e7a6736a9897349512bcb59506e024a9b94a89e2cf2391f801702bbfdbfe
- 07 R 5d0614565795fe62cec4e1452c1d32c0fe475d7848f3c44141b7d969333c0b43
- 08 L 6a0a5c23a9261ebfcfa34ba5972967717998a7c07e371ba4823c8fcf0758817d
- 09 L b84aee5ab99e58c45468766925aa25dac5177e2de21ece81ea516543af56fa2e
- 10 L ea255f35da558a3accb7be2d30d1d6de3b03bc74fb36157da5f478694cc33b45
- root 01b33dcc04c24d67d772a36cb99c4c229b1e063c2d039dd1fcfe0831f4e75c38