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 ₱4.5M contract to JJHAK CONSTRUCTIONProvinces
Transaction hash:
6b691d6bf9300dbebea2d49e7fa2e7731384945718701b1c0477621070cba670
Status:
Included and unchanged
Block:
#3,984 2,029 blocks after it
Position in block:
Transaction 46 of 120
Award day:
Jan 2, 2020 (6 yrs 10 mo ago)
Value:
₱4,462,280.19
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 #3,984 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 2020-01-02.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 6b691d6bf9…cba670now …
- 2. Block Merkle root changedstored ecfd39dae6…a48753now …
- 3. Block #3984 hash changedstored 113abb9886…69a73dnow …
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 119 records. Each step hashes the current value together with the sibling shown.
- leaf 6b691d6bf9300dbebea2d49e7fa2e7731384945718701b1c0477621070cba670
- 01 R 6bfa383a14a3a632133fb129b623f335bc48bab333f0c802ac4e3e914bae2fcb
- 02 L 1bfd32b97aa9c701120469f88da4a90a68967c3de7ea861a8457d8f51889b60c
- 03 L 3ced97cfae6e2ba8bd3d00e8f7df2494ecc2bf6f85910e38e8f6bd5d3c1bda40
- 04 L 9bf138d30efde066d6c00b0c8b725fe5d8703c68a5103a962853cae14accbdd3
- 05 R 525f914e0bdb2e5a19ff9205dae1b21cf74a9e13dbfd625ab7055c842ff865e0
- 06 L eb6ee9d1646536b8bd892a3039607a055e673faaf303a930e0543db4316e3e04
- 07 R 398656d72b32a863861fdcf03e8b1141173af4823caae32207eaab5182fa8dde
- root ecfd39dae63479f9afa724e9bdebdbac958224458ff2eef069a3daa091a48753