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 - BULACAN 2ND DEO Award a ₱4.7M contract to YPR GEN. CONTRACTOR AND CONSTRUCTION SUPPLY INC.National agencies
Transaction hash:
1a84dfbf3d5372b03a2991177ecd0a4f6def90896ec6bedfe283fb20a130cac1
Status:
Included and unchanged
Block:
#4,259 1,754 blocks after it
Position in block:
Transaction 17 of 86
Award day:
Oct 23, 2020 (6 yrs ago)
Value:
₱4,701,693.58
Project:
20CD0159 Construction/Rehabilitation
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 #4,259 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 - BULACAN 2ND DEO awarded it to YPR GEN. CONTRACTOR AND CONSTRUCTION SUPPLY INC. on 2020-10-23.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 1a84dfbf3d…30cac1now …
- 2. Block Merkle root changedstored 01fba83d16…97d7f5now …
- 3. Block #4259 hash changedstored df4b046ddf…610c94now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 85 records. Each step hashes the current value together with the sibling shown.
- leaf 1a84dfbf3d5372b03a2991177ecd0a4f6def90896ec6bedfe283fb20a130cac1
- 01 L 18bbb8b4c6572165b780b1f33653eeed81b00af6ba0af518a18a967a96a72c3d
- 02 R daab4021e4c86c1592a7b65f37974536c9da06a17fd7e6da8a04a7e14edfb33f
- 03 R b3bc5a75c691c8509d158775118aa4070cc20a51ec429be1826b56d05f543b3e
- 04 R da3ed27d7979a34fe069b5363842848a7dbb5dca4bc78f952e1fe94340c9f9b7
- 05 L 1cdbbac71ffa39fd7c9813e95cb9a0b07b9a2cf53fbb308db1c9615a16739463
- 06 R 7da52e95c0b1f11134db508541910fe4b10ed2a6bd2a6e2839a204cf7c3b217c
- 07 R 937dff2ade992da096a892a58292fed06b7c535656887084857c0580e1cfd10a
- root 01fba83d16f558d36403325628433862f7835fed3866b406f843e666d497d7f5