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 - SAMAR 2ND DEO Award a ₱2.0M contract to HAL CONSTRUCTIONNational agencies
Transaction hash:
7d74e20e1ca688c49c384efc90c6f69a5c50afd7892bfb944672035eca88c6e1
Status:
Included and unchanged
Block:
#3,949 2,064 blocks after it
Position in block:
Transaction 100 of 208
Award day:
Nov 28, 2019 (6 yrs 11 mo ago)
Value:
₱1,994,264.65
Project:
19IK0081
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 #3,949 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 - SAMAR 2ND DEO awarded it to HAL CONSTRUCTION on 2019-11-28.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 7d74e20e1c…88c6e1now …
- 2. Block Merkle root changedstored a1d4f253a7…8f1cb2now …
- 3. Block #3949 hash changedstored 7d4bc868b3…dfa980now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 207 records. Each step hashes the current value together with the sibling shown.
- leaf 7d74e20e1ca688c49c384efc90c6f69a5c50afd7892bfb944672035eca88c6e1
- 01 R 7f452ced2f57e6f350ece4d6f553e57784530c1ef59489b170da49f4064543cf
- 02 R 6122af5fb0ecf064a4342161f75c83cc4e4d04a941de622b64de28fa9d2b8c6c
- 03 L a18e77eaae381b9f31d2c239a3102a430131448f1b60766f90ce0ec8bae7510f
- 04 R f406bdeb0144c3c7dc128ada3c4de01c912e376ae3306c9f1644d7a73db3722e
- 05 R cccc3aa80d7d79804c9c2eb533b48bbfa530c11db002ac8a1e498c3a4b8bc3d0
- 06 L 491ecd97dc0f0ce3d932befc5c01cb1ac895d48fb97bc4ece534a7ebdb381758
- 07 L 6747e61aa313831848c45c4f772f15969d15c5d8752edd143f45d53430c1e53f
- 08 R f334aa0316dcf748921f9379c98e2b46b335ef8a65ab72eac7e06905fbdcab62
- root a1d4f253a7ce7136d61165663d7068a1b85be41bf8eebd8ae9512e6b468f1cb2