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 AKLAN Award a ₱4.9M contract to E. L. CHAN CONSTRUCTION AND DEVELOPMENTProvinces
Transaction hash:
f3b14bc2c348172ea0b5ff4baa8d5fe0201be7d2c20f006dfa909f4daa7505b9
Status:
Included and unchanged
Block:
#4,168 1,845 blocks after it
Position in block:
Transaction 175 of 181
Award day:
Jul 20, 2020 (6 yrs 3 mo ago)
From:
Value:
₱4,885,638.56
Project:
Laguinbanua-Bagacay-Unat-Agdugayan Road
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 #4,168 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 AKLAN awarded it to E. L. CHAN CONSTRUCTION AND DEVELOPMENT on 2020-07-20.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 Aklan 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 f3b14bc2c3…7505b9now …
- 2. Block Merkle root changedstored 9a7af6b999…25f0d2now …
- 3. Block #4168 hash changedstored 69856941d4…21c761now …
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 180 records. Each step hashes the current value together with the sibling shown.
- leaf f3b14bc2c348172ea0b5ff4baa8d5fe0201be7d2c20f006dfa909f4daa7505b9
- 01 L f1ea75ac4127037e453a98750771a7ba4bd5fb879791c20d94b0281e1b76140c
- 02 L c3cebdde60d4a5e6b0d4a92fa0631743cd7edebae22ed4ea1a6e7ff4ee1b45e2
- 03 L 115aa9153e204a40a5f4577d44cd72998a293c51d232097f96a6cff6645d37ec
- 04 L b8bd4af80c96a0b4f64097f5679f3766cba6637cb5801be4bf241b4a96bc9cf0
- 05 R 408572fd99e1ffaed668cc6b677801f9e0f1acfe7932b15e2eb8b6203f91382d
- 06 L fd9e363863ee80681140c143bffeeb48cc3f77802ad85453fea58dad76256b98
- 07 R 214cacb3c46d4928934c12e15a712155faabc09120349f2e795e387ef86b9d20
- 08 L 87b937a76c5c83c6d82ece2ef5d546e8421574d55d88e0b4a767a40248a41ac8
- root 9a7af6b9996c5e098b71c700abcbf4164c3248c50d07b7e549a17599f325f0d2