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 ₱1.7M contract to POWER K CONSTRUCTION SUPPLY & SERVICESProvinces
Transaction hash:
77e2d2811e8e5bd9e4a8cce08119fae0a1f8f7f027ac9aa9e2474fc6dd9e5651
Status:
Included and unchanged
Block:
#3,829 2,184 blocks after it
Position in block:
Transaction 115 of 249
Award day:
Jul 25, 2019 (7 yrs 3 mo ago)
From:
Value:
₱1,710,675.67
Project:
A) Concreting of Farm to Market Road (Ibaba-Ilayan
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 #3,829 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 & SERVICES on 2019-07-25.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 77e2d2811e…9e5651now …
- 2. Block Merkle root changedstored 67397af34c…683c2dnow …
- 3. Block #3829 hash changedstored 2790be2905…114afdnow …
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 248 records. Each step hashes the current value together with the sibling shown.
- leaf 77e2d2811e8e5bd9e4a8cce08119fae0a1f8f7f027ac9aa9e2474fc6dd9e5651
- 01 L 77dd4ef0f5c6ed2585986e04004e7927794009a09cbb1b97c84b540551398f57
- 02 L e29f51d5c843f4d0bd3c95e0727abdd1b8f884a633f6d8125a52c382d4bb58ad
- 03 R 328d82272d8709c01102dceec8cb64d2f3128aa14117d72e218d98629a91cfb3
- 04 R c74324f8b2621708999a8da40a527f58566b3ed289f9514aad71785c737ab121
- 05 L 511ad499c61fedd70ce1ed1c056ef391127d2fc673b03cecfe33d9f27342c2c6
- 06 L b6957daeeb5468fd11b917ac76cd0760b4c976ab74806738e8811e48c5db058f
- 07 L 2d835e56d4c7c715f987e62b9cc9f52b827430fa560605e34571624e521414b0
- 08 R b4c204551a7477622970953c9e0be955de26c1ad7f6153940fa2fe476b9f9033
- root 67397af34c8065cba333447fa2b7c6f1cdd14b92d413b255bc3ce18a19683c2d