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 - QUEZON 3RD ED Award a ₱19.2M contract to MEDITECH TRADE AND DEVELOPMENTNational agencies
Transaction hash:
bbe20d47649f6acdd23f6dc6888f18bf262118c9b4e37d601423ced068a67a60
Status:
Included and unchanged
Block:
#449 5,564 blocks after it
Position in block:
Transaction 9 of 10
Award day:
Oct 16, 2008 (18 yrs ago)
Value:
₱19,174,322.44
Project:
Regravelling/Rehabilitation and Improvement of General Luna-Catanauan National Road, Km. 241+800 – Km. 251+450, Intermittent Section, Quezon III
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 #449 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED awarded it to MEDITECH TRADE AND DEVELOPMENT on 2008-10-16.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 bbe20d4764…a67a60now …
- 2. Block Merkle root changedstored f37f65585a…a42f24now …
- 3. Block #449 hash changedstored bd712a2319…c53f63now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 9 records. Each step hashes the current value together with the sibling shown.
- leaf bbe20d47649f6acdd23f6dc6888f18bf262118c9b4e37d601423ced068a67a60
- 01 L b1325c64d1e3c964e6af3ac951bda4ba49da9df716774be0a3fe0b56b7764848
- 02 R 2e6512f0bacc143a3b5ea9b70b2b274d11ef6f3de0de12dca491e5c3f509ecd1
- 03 R 7ada1590eb785e527661c3e4314544e255239c053579cbd50e0ac0be2fe8acb0
- 04 L 7faa8dddd53d4e3f4021b1e060e552e59039f1bd993b3bcdad5bd456ea48f809
- root f37f65585aee0414f80a3b9d1f941983204b97bc944d7605a37205e820a42f24