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 ₱998.0K contract to LPRA GEO-SOLUTIONSCities
Transaction hash:
811fa3a35dcfc6a95f0aedaf408a56e6034890c2d5984e45fb5fa80cf16f6ee9
Status:
Included and unchanged
Block:
#5,836 177 blocks after it
Position in block:
Transaction 36 of 71
Award day:
Apr 24, 2025 (1 yr 6 mo ago)
Value:
₱998,000.00
Project:
Soil Investigation and Structural Design Analysis
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 #5,836 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 LPRA GEO-SOLUTIONS on 2025-04-24.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 811fa3a35d…6f6ee9now …
- 2. Block Merkle root changedstored 31d155587e…10f972now …
- 3. Block #5836 hash changedstored 4b07ff1c09…89b425now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 70 records. Each step hashes the current value together with the sibling shown.
- leaf 811fa3a35dcfc6a95f0aedaf408a56e6034890c2d5984e45fb5fa80cf16f6ee9
- 01 R 8428a8146cb854ca45992aee7b968f8f1b732bece6bfe88931b08e22513ca2fb
- 02 R d6ec5bc5ddf9c3945eb361478ae772a02d29b916cfa14a42296f925d81bfc1b7
- 03 L 9b5389761859bb3bf34baadea2cceb0d3d0cfdde3fd260905b10de33c7d8c345
- 04 R f9fa16d8c4ed51668064fdc51ae5ade6e380588ebd3bf9c0687802132a347906
- 05 R c4bc907ddb020ef7119beb75344a254e70c488b0dcf6d241348b2ae26cfea2fc
- 06 L 6015ab1c160cd3ddb726b4969aa45d7816742f1e6ca24fa9e657db9f4fe81377
- 07 R 66a2e03212c62cc57a584023a95437b1d14fc63080dac16f121ffa0d93789862
- root 31d155587e8f75798a776cba3fcb03c08f532afba0e4b96f6b86539b1c10f972