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
SCHOOLS DIVISION OFFICE - QUEZON CITY Award a ₱6.5M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
e50e6aecb2fadcc5a50b7e02e5004260457f27ce935a142d601ce7c5c8d2b192
Status:
Included and unchanged
Block:
#5,264 749 blocks after it
Position in block:
Transaction 273 of 305
Award day:
Sep 5, 2023 (3 yrs 2 mo ago)
Value:
₱6,525,000.00
Project:
Conversion of Twelve (12) Academic Classrooms
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 #5,264 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)SCHOOLS DIVISION OFFICE - QUEZON CITY awarded it to AYLAN CONSTRUCTION AND TRADING on 2023-09-05.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 e50e6aecb2…d2b192now …
- 2. Block Merkle root changedstored 03b82ee0d3…8817d8now …
- 3. Block #5264 hash changedstored ade8d41dd1…ad9f93now …
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 304 records. Each step hashes the current value together with the sibling shown.
- leaf e50e6aecb2fadcc5a50b7e02e5004260457f27ce935a142d601ce7c5c8d2b192
- 01 L e3df5de8ab1ad156f276082e52d7333210606ee8e9db82ffab500473f3c5a564
- 02 R 9865845657cbb22f2f448726cea5a3de9fcc6782d2df3d0a2226071b762f1f2f
- 03 R 3bc7dafd4fd73cff387eb55bc4758f12124fb63497814dcbc6f739900fd560a1
- 04 R 43021f15b0252f8602eb50c30891403b47101c6bb371d7dcd94e9a95301fb12e
- 05 L 078e2be1c0b3f1a2168abb1c911832842a170ad562f52d4176ec0b45b68aec21
- 06 R e79c276187f0268d18385a03ede38011e6c042f91f4606a273199a66f8736a6b
- 07 R 09986ca96b66c16c61535e5ef60e2ea1a25c536f4e49115058751156580888c1
- 08 R 3c098dac888f6166525175b866ba79c890cd6c0e76d254b501fa8f7a85bc045c
- 09 L 98c7330c5f313e04b1247712d2427ce3113bcf5f52e02576605fdf8d99866dcb
- root 03b82ee0d353c3c56272ec05228fb675d68d77e746330b41d9e5daa1838817d8