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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH METRO MANILA Award a ₱8.7M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
a2baff6956d73df9af036df91601a622dc14c40232adc4e27263db67a7040a10
Status:
Included and unchanged
Block:
#3,771 2,242 blocks after it
Position in block:
Transaction 270 of 416
Award day:
May 23, 2019 (7 yrs 5 mo ago)
Value:
₱8,749,185.42
Project:
Organizational Outcome 1
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 #3,771 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)DPWH lists the funding source as "Regular Infra - GAA 2019 OO-1", i.e. the FY2019 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH METRO MANILA awarded it to AYLAN CONSTRUCTION AND TRADING on 2019-05-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19OE0114: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2019-10-07). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 a2baff6956…040a10now …
- 2. Block Merkle root changedstored c56c2ba443…e3beb6now …
- 3. Block #3771 hash changedstored 7d8fc56b9d…be9b44now …
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 415 records. Each step hashes the current value together with the sibling shown.
- leaf a2baff6956d73df9af036df91601a622dc14c40232adc4e27263db67a7040a10
- 01 R a35d222a63cccb756f3b10e36a472901930c9195085302640d2a0ff47a6ac5ca
- 02 L c4afb8f668a15cc7dd79d2bba7b85b91cdd150b22679d2b16ab953a498ffeaac
- 03 L a25156c63f64bf20f4433ab977187dd9b1959c2b3f9c51ad458a6ba0acd8f6de
- 04 L 9f49ccd87651bb7a271ed750e5f78bbe31a05c1fe5da6c14a830008a99822c38
- 05 R ca405bca6a0651c2158181ba108cba569feba855a829369d5e93131953731f57
- 06 R f920f913cfa0198c9992e963bf654eed952325252c3636fc9554bb7c1fd5389e
- 07 R 97b2c69feeb99db6f56c9a685b716450364f0a1ee6fabf266f18a6723f64107c
- 08 R 545c6c98f2c704838cdac81b4a2ee8834700a15e66868bbb8e54c1f97fefc351
- 09 L e658504208eb9184c42dbcd9c02ca5a430cbd91e429dcb2a15d3493dfbc98506
- root c56c2ba4439768964e6adae3abbf9c9621d5f7b9c16376b89f2c749f20e3beb6