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 DIGOS, DAVAO DEL SUR Award a ₱1.5M contract to NLC CONSTRUCTION AND SUPPLIESCities
Transaction hash:
e1fb51f2cccaa8e8edc798add1cb6c9c07c9a36c32d67ae642d30c9283d280ee
Status:
Included and unchanged
Block:
#3,171 2,842 blocks after it
Position in block:
Transaction 183 of 218
Award day:
Aug 24, 2017 (9 yrs 2 mo ago)
Value:
₱1,526,700.12
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 #3,171 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 DIGOS, DAVAO DEL SUR awarded it to NLC CONSTRUCTION AND SUPPLIES on 2017-08-24.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 Digos 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 e1fb51f2cc…d280eenow …
- 2. Block Merkle root changedstored d6e4367814…c122c1now …
- 3. Block #3171 hash changedstored c3cc0e0ad4…15c65enow …
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 217 records. Each step hashes the current value together with the sibling shown.
- leaf e1fb51f2cccaa8e8edc798add1cb6c9c07c9a36c32d67ae642d30c9283d280ee
- 01 L e19c61ad9da018a2af99262cd23370816b53c5e309ce17b67c1038ac0174f3b1
- 02 L 64969ec9612e3e2cf443e0c9389d4733a094694094af86bb2da476a0a9072262
- 03 L b3c1e16ab7679ccd9388453f3a3781577da67ad54f885c9a4c3f5f63c77cb69c
- 04 R 4a89593057d57638cd818335c0e6d8d348ebb36ee6ecc2a24b6db0fcb45a39fb
- 05 L 167a6b747f02652d57769a0abf93d2f892e9bd33e11603bed1e30dcdb56aabc4
- 06 L 75d76141f278725f23eb8deebde823ab83aef4eb8a1b94e3a7c8fb0a7e15266f
- 07 R a1f697af49d0ec182c616ce396e9d922b26ae4074b8387d73d296cc2688d99b3
- 08 L 13e20cd1a01bd71439d8e1a0304df2d3e1fa0318567d3e915cfcea0d8524ddd8
- root d6e4367814743f2a1e808335cf32db7e9c862b7ab2a5ed3b31b09fbfdac122c1