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 - TARLAC 2ND-DEO Award a ₱2.9M contract to R.G. DIAZ BUILDERS & TRADINGNational agencies
Transaction hash:
fecf1f0dae332eda70b160b6ad68a052d9b8e1a5568d6271cf39852a586b34b3
Status:
Included and unchanged
Block:
#4,341 1,672 blocks after it
Position in block:
Transaction 203 of 204
Award day:
Jan 21, 2021 (5 yrs 9 mo ago)
Value:
₱2,895,320.70
Project:
21CK0032
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 #4,341 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 - TARLAC 2ND-DEO awarded it to R.G. DIAZ BUILDERS & TRADING on 2021-01-21.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 fecf1f0dae…6b34b3now …
- 2. Block Merkle root changedstored df402073e7…0952c2now …
- 3. Block #4341 hash changedstored 26e2a6e8d4…051cfdnow …
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 203 records. Each step hashes the current value together with the sibling shown.
- leaf fecf1f0dae332eda70b160b6ad68a052d9b8e1a5568d6271cf39852a586b34b3
- 01 L fe43c0dc1d3fb32bbcd73d8e35859efc6fbd34ac2defc3910c36324e4c7a8d72
- 02 L 68040196e0ed8f503f068b0c0b5ab754a547bacc97ec17a3e78192f99862dd03
- 03 R 2ff5c9775bce80825ddd55f96afc7092d536fe822a442cb889671a1a4bc2cb44
- 04 L ec6d14c0c203c248462a4690cf2e6704bafb8b2bdbd0c255e568cdee7dbef93f
- 05 R 87a74ba22e8b67108ceaf2f2843db94e484739d3a45a67d7db7b67224551fe6a
- 06 R 7c13b49f2d35d7927cf083facebe5775459b89d172f7a6f2847a9caf2a7b22f5
- 07 L 4cf234e625e6c9d36d10c797d3f991a5e26f671071eaa63c4524d44db94343fd
- 08 L 3f1d5a3a7bb22307fd0770a176867465d43731afef6a85f05fefc5791957fb63
- root df402073e79f802a598e0222748829f2aa08319830e05e5473594452af0952c2