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 LAGUNA Award a ₱189.5K contract to POWER K CONSTRUCTION SUPPLY & SUPPLYProvinces
Transaction hash:
d9dabb44a0ecd00218ebcf9ad7aed9886b89f61e981daa36319f6b0d7dde4b51
Status:
Included and unchanged
Block:
#1,418 4,595 blocks after it
Position in block:
Transaction 55 of 68
Award day:
Apr 2, 2012 (14 yrs 7 mo ago)
From:
Value:
₱189,483.12
Project:
C) Construction of Server Room at Dep.Ed. Bldg., Provincial Capitol Compound, Sta. Cruz, Laguna
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 #1,418 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 LAGUNA awarded it to POWER K CONSTRUCTION SUPPLY & SUPPLY on 2012-04-02.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 Laguna 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 d9dabb44a0…de4b51now …
- 2. Block Merkle root changedstored 46b66834d2…e7a62bnow …
- 3. Block #1418 hash changedstored 61d45bd418…fd0a2enow …
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 67 records. Each step hashes the current value together with the sibling shown.
- leaf d9dabb44a0ecd00218ebcf9ad7aed9886b89f61e981daa36319f6b0d7dde4b51
- 01 L d88aa2feba42694a0cbf241f5f210a6a8e85c6aa1a1375b23cd052ee2e6e3767
- 02 L dde524347c66cae060bf490784e8948c0633971e24443463e1c8b95609fa6b41
- 03 L 8d00c5998d56c1eb7c06e9bfc8545aac6417691c92397cbeb0bb415e6c139993
- 04 R 83749c369c03bbd8d31745e03e0835fdca71a66402ad16ece2e8b707ae8a0f80
- 05 L e275e7b7aed8f6f58743dcb028ff1416ef56f7e56ddfa6d5831e943401a21ee8
- 06 L 08ce9efdfdf85dfe6fdfd43a834156a1faf87c0666fe6e120fdac6b31c3f2918
- 07 R 3dc046286d83f6bc6c03a3bc75962993968428d0d7e5cc8c40dcfb504a59c8d7
- root 46b66834d2286d20bc996bba43bcee929c7f2a648988da6bc74bd24b22e7a62b