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
CITY OF PARAÑAQUE Award a ₱1.8M contract to PERSAN CONSTRUCTION, INC.Cities
Transaction hash:
65facb895e10a31c44dcd8b64200012d47006bcb6571fdfc22fdbe7e16857321
Status:
Included and unchanged
Block:
#2,422 3,591 blocks after it
Position in block:
Transaction 45 of 119
Award day:
Jun 2, 2015 (11 yrs 5 mo ago)
From:
Value:
₱1,843,239.51
Project:
One (1) Classroom Day Care at Sitio de Asis
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 #2,422 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)CITY OF PARAÑAQUE awarded it to PERSAN CONSTRUCTION, INC. on 2015-06-02.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 City of Parañaque 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 65facb895e…857321now …
- 2. Block Merkle root changedstored fc5ae9698f…60aea4now …
- 3. Block #2422 hash changedstored 584631efe0…8f084fnow …
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 118 records. Each step hashes the current value together with the sibling shown.
- leaf 65facb895e10a31c44dcd8b64200012d47006bcb6571fdfc22fdbe7e16857321
- 01 L 64f5d016b4cc1039da76bf37ad516e47a75f579c5a87391cb3e5247f4b9e626b
- 02 R d573d4dadcb80bbb67f6d0a7f34405e874432806c46e14d8bd1815f933573cb4
- 03 L dbc8e81db01bd790dcdad8b0216a7a45619d2053f8d76a27cb06892c3decb56c
- 04 L 838efcebec9e618927ea43decff7492661bf9f683453b4414668b4b1dac77c47
- 05 R ea954b7893f6616b24aed8a42bf223eb5b2134a43b85e25569babba82b49e953
- 06 L c2d9243633473ea291a07170769823a6506a1b83068a2cd6d16b1f1a2a977484
- 07 R 6c330eb214819470f0ed8cd79ae9fc0dee21fc8c9baa1c1f82b68f90839bfe6f
- root fc5ae9698f698f9a25fa55e7c3ca9b787b6853be33d988a847c5cb1c0660aea4