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 OCCIDENTAL Award a ₱8.0M contract to JJHAK CONSTRUCTIONProvinces
Transaction hash:
3ab08aa79b4c849a4eff1b2e6caa4eb5fe92c9fbddb67069745d0256db2eb659
Status:
Included and unchanged
Block:
#3,135 2,878 blocks after it
Position in block:
Transaction 53 of 236
Award day:
Jul 17, 2017 (9 yrs 3 mo ago)
Value:
₱7,965,235.28
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 #3,135 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 OCCIDENTAL awarded it to JJHAK CONSTRUCTION on 2017-07-17.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 Occidental 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 3ab08aa79b…2eb659now …
- 2. Block Merkle root changedstored 577b5cdd61…e57cd2now …
- 3. Block #3135 hash changedstored 15e541a1f4…8dada2now …
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 235 records. Each step hashes the current value together with the sibling shown.
- leaf 3ab08aa79b4c849a4eff1b2e6caa4eb5fe92c9fbddb67069745d0256db2eb659
- 01 L 3a549b62281497596b63c6846e99c3526c460405d85d2c5d59155683193e01e6
- 02 R b1fcd8c6318b0fb2327398b8decc8cff6255f2f1a46151404caa91d9a63f5597
- 03 L 8afce0f22f6a7910111feac07ce7b0af54c05612974636c1cc02d74bca378c01
- 04 R 023a9db996ebbd233ddac9a21087727ed1977787aab0018c0a45fc1d18ff1f13
- 05 L 80c46921c88fd74e44758c4f1ee440e942eecdf4e7eb426b469facdde22e071f
- 06 L df4eef6d647634ebe0a7b51a74bb3206172d29e2effb383faebc6e4158c5714c
- 07 R 256278b76928f16c322a63e4dd90bc88090fb4df2cf3d21232709c86875d2766
- 08 R 4cd71dc6520f82567a0ef0499c1f78abdaf0cf9054d5296e6d527eeb4175726c
- root 577b5cdd6105e3507ff7f6a8c78be6adcc1490677efba424c4fe241ea9e57cd2