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
PHILIPPINE MERCHANT MARINE ACADEMY Award a ₱3.6M contract to STO. CRISTO CONSTRUCTION AND TRADING INC.National agencies
Transaction hash:
cc27df5bffcd3448afa764d2c5a3bee08abe7889987ef6402a67127fe002f9a8
Status:
Included and unchanged
Block:
#4,475 1,538 blocks after it
Position in block:
Transaction 237 of 281
Award day:
Jun 10, 2021 (5 yrs 5 mo ago)
Value:
₱3,581,646.80
Project:
REPAIR AND REHABILITATION OF HOUSING UNITS
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 #4,475 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)PHILIPPINE MERCHANT MARINE ACADEMY awarded it to STO. CRISTO CONSTRUCTION AND TRADING INC. on 2021-06-10.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 cc27df5bff…02f9a8now …
- 2. Block Merkle root changedstored 458f8766b2…25418cnow …
- 3. Block #4475 hash changedstored bc65a2f159…5fbff2now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 280 records. Each step hashes the current value together with the sibling shown.
- leaf cc27df5bffcd3448afa764d2c5a3bee08abe7889987ef6402a67127fe002f9a8
- 01 L cb17512094ab5dc2c7d38911e0c3f11ecc9275d88682641e86e83d29378d041f
- 02 R 595b5ac6deebc92b8ed7ff462da75ce8ae47d3872c2e352493502cf1025b69bc
- 03 L f22850578e690ffbcc4589a7e886940297cdac154f595a86c9293047dab0a01e
- 04 L 42cdce6f5b7e4092ef41da83f22a758351737d68dc6c9ae1ba716c95e6f3aa37
- 05 R 749688dce463fd25f38c39efaf299d98ae2d5e96b4432204b824ad12e522107e
- 06 L 7700874c264a54f34c33a578b00e01334e1eeb0850531286033b0183fcd3654b
- 07 L df0fb53660a04c27541cf667bcae6d72abf6b9ca70619d4356386b8187a97b64
- 08 L a82917e2aa28348edd906adaab262ef5c48b56d02e63ae2f243d9c2b3458a043
- 09 R ef9df5f3572e095828e9b7e9d606f1ef0053ee9292741a0368bb480a7ecef08e
- root 458f8766b2dfd915692e867ef72709f358d40e1c4868ba6b358dc86df825418c