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 RIZAL Award a ₱753.5K contract to TRANCOM ENGINEERING CONSTRUCTIONProvinces
Transaction hash:
12ca0fe1c732a3f5ebe3dedad3366d6d9945afa851c576e6d665f9c9e3f0f08b
Status:
Included and unchanged
Block:
#349 5,664 blocks after it
Position in block:
Transaction 5 of 49
Award day:
May 30, 2008 (18 yrs 5 mo ago)
From:
Value:
₱753,502.11
Project:
Impr./Conc. of Block 33 at Sitio Batasin I, Floodway A, Brgy. San Juan, Taytay, Rizal
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 #349 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 RIZAL awarded it to TRANCOM ENGINEERING CONSTRUCTION on 2008-05-30.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 Rizal gave a "not stated" 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 12ca0fe1c7…f0f08bnow …
- 2. Block Merkle root changedstored 84e0c0f24f…9b6f0anow …
- 3. Block #349 hash changedstored e4a8c08325…aa69b2now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 48 records. Each step hashes the current value together with the sibling shown.
- leaf 12ca0fe1c732a3f5ebe3dedad3366d6d9945afa851c576e6d665f9c9e3f0f08b
- 01 L 11bd7987893ca6c53ae69420f262c15e0c45b34b6c942731680108617720e2a9
- 02 R ab7d76ee214ef949eb1d95a0a67e88945abe7782cd0bf60d388fa376a2be8d2f
- 03 L 98666a346fa8268737227ce21f372f68e697951d9444abcbea6007394ae6dd77
- 04 R 1187d96deeb68fce2202d11db0fd4bfff6911063bc1e81d3021a71514373255b
- 05 R 2b8cc6d575ab5a4e4dcfbb1b1c5f851674cf613ef46f1118cde6a0185631ac7b
- 06 R 1432bc36b64f057d3c56dbc494adb546f8f4eb32760cc2333cfd47ede65dbe09
- root 84e0c0f24fc8d81c02e00554d002b3702ba657bc18b7ff454bab84a5f49b6f0a