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 NORTHERN SAMAR Award a ₱1.5M contract to M.E.G. CONSTRUCTIONProvinces
Transaction hash:
06ea03f17ee7eb3bf96a3c0d2d8400250e804f81f7f246c1b035e4e7aca58e3d
Status:
Included and unchanged
Block:
#4,452 1,561 blocks after it
Position in block:
Transaction 6 of 266
Award day:
May 17, 2021 (5 yrs 5 mo ago)
Value:
₱1,510,048.30
Project:
Construction Project
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 #4,452 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 NORTHERN SAMAR awarded it to M.E.G. CONSTRUCTION on 2021-05-17.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 Northern Samar 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 06ea03f17e…a58e3dnow …
- 2. Block Merkle root changedstored 6788a62102…26d633now …
- 3. Block #4452 hash changedstored 748c57c5b1…6021b2now …
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 265 records. Each step hashes the current value together with the sibling shown.
- leaf 06ea03f17ee7eb3bf96a3c0d2d8400250e804f81f7f246c1b035e4e7aca58e3d
- 01 R 072bbeaf900e9c555f9f2928a04f3aa75e24cb86c198166555be9dda4887f067
- 02 L 73dcc07dba61dc11fa351d649e4313ad6bf5f5be6483de18cfb850215d7fbd90
- 03 L dac40626867a69cb5a9a87028ce554a4ea7c472b1aabf97e18881190c7e2e67e
- 04 R c1306ba2c96def6a47457fefd0c590ae8fed60783ec34908ed8e52d53e119742
- 05 R ad8de1a293dd99668b9d93db80766766572d38d6487a762136b81f3051caa865
- 06 R 8e3b3212abbee0076b3ff66ccc1085fcd4d408bd3a62420df30856f0c99ba410
- 07 R 8dd8a6d54e9f360bb998d2e20896b0afda679ad0b24ef0e25c424a0eadb0b69d
- 08 R eb9fb322d73380be44c2180760e743bbed1c4665bd3b7df33f8419054d97bd07
- 09 R 8579e2aa00ebb9c9a5973be79783f1d3d1a93adc2d84429fad1e1ade2bb1e565
- root 6788a6210229cafd31779c64c01f10e73042bfb9054d651170bab6d52c26d633