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 NORTE Award a ₱610.0K contract to COMVAL ELECTRICAL SUPPLY AND SERVICESProvinces
Transaction hash:
dbdca2eb458141418c1acf56b5f02e560dca1a42d95c617f1cb0e4ca6e088971
Status:
Included and unchanged
Block:
#1,210 4,803 blocks after it
Position in block:
Transaction 43 of 54
Award day:
Aug 5, 2011 (15 yrs 3 mo ago)
Value:
₱610,000.00
Project:
Const. of OR/DR Complex and Ward at Kapalong District Hospital, Job Order
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 #1,210 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 NORTE awarded it to COMVAL ELECTRICAL SUPPLY AND SERVICES on 2011-08-05.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 Norte 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 dbdca2eb45…088971now …
- 2. Block Merkle root changedstored 0e99c5af68…28b6f5now …
- 3. Block #1210 hash changedstored 7cfa64e1ef…463637now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 53 records. Each step hashes the current value together with the sibling shown.
- leaf dbdca2eb458141418c1acf56b5f02e560dca1a42d95c617f1cb0e4ca6e088971
- 01 L ccef56f52bfd808aea634ee4f1d193eab00f75738c04467c92172f5362769535
- 02 L a452a1163fe69a220a5fdf923b61479ccfb0da2cd9fc7c7a2de81ac7cf1186ea
- 03 R 02909d42e135cf03f8f80872f90a8d75d18bdc9f03c6e9e1783391b656b1dab2
- 04 L 61e91e97e262e00a0005d6c8a9f7aebe85e67394d43ef926e661112bd09243ae
- 05 R b18132dcce716d2a61931c25ffd6772d3df7c6bd85207e36c77d3f76da346b73
- 06 L 69f1f431711a1aa441f11010de67fb1e8f7ce4e525e5ce7970e4b6bf043435ee
- root 0e99c5af685f404ab045880a05dc46b0b048b67b16ba3a11438be4ed5b28b6f5