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 ₱965.0K contract to STO. CRISTO CONSTRUCTION AND TRADING INC.National agencies
Transaction hash:
f47fed6fe6fa2d5d5c322c45b115260d4a2c59b858a34c6ab0b4ad649281d72f
Status:
Included and unchanged
Block:
#4,762 1,251 blocks after it
Position in block:
Transaction 28 of 30
Award day:
Mar 30, 2022 (4 yrs 7 mo ago)
Value:
₱965,000.00
Project:
REPAIR OF DIRECTOR'S 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 #4,762 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 2022-03-30.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)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 f47fed6fe6…81d72fnow …
- 2. Block Merkle root changedstored 563ba24c1a…96244dnow …
- 3. Block #4762 hash changedstored 28fb692ee9…bdca06now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 29 records. Each step hashes the current value together with the sibling shown.
- leaf f47fed6fe6fa2d5d5c322c45b115260d4a2c59b858a34c6ab0b4ad649281d72f
- 01 R fd4fa22b4e1cec305f64e1e2c73824c5d0dc118904ee87b26be89ea13282df53
- 02 R 6f7e952762429bd468afce50666e3f4154c2e98740f84841aa4b1da98eec2843
- 03 L 5e90a547263e67334c4d4f8c88c53f40820fe23608cda04c2d938af36d7e6c01
- 04 L f4cb39a14b375b5901698b3f7bb6f2cccb3e016369bb860d57d37add55712aae
- 05 L 1b331635f7eaeab46cd16175771bbca9569e66072149a0fa4359961348aa1d17
- root 563ba24c1a3b204291e27fe80ef211755c96000682d43c9a5570a3abd496244d