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 - REGION XI Award a ₱208.5M contract to THREE W BUILDERS INC./ DREIRICH BUILDERS - JVNational agencies
Transaction hash:
450b2afec97adfbd2ad7e62ba1ee9c5cd5b00a2c856a97ab3e971901305b2625
Status:
Included and unchanged
Block:
#4,171 1,842 blocks after it
Position in block:
Transaction 19 of 84
Award day:
Jul 23, 2020 (6 yrs 3 mo ago)
Value:
₱208,472,610.44
Project:
20L00032 ROA, NOA, Contract & Notice to Proceed
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 #4,171 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 - REGION XI awarded it to THREE W BUILDERS INC./ DREIRICH BUILDERS - JV on 2020-07-23.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 450b2afec9…5b2625now …
- 2. Block Merkle root changedstored 5594a125fb…d2218bnow …
- 3. Block #4171 hash changedstored 46cc29cf57…9ddd1fnow …
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 83 records. Each step hashes the current value together with the sibling shown.
- leaf 450b2afec97adfbd2ad7e62ba1ee9c5cd5b00a2c856a97ab3e971901305b2625
- 01 L 42216ccab4004c2aa23e37fb5091a1b9e9efcbfa37081e5b7f81dbd6ebdc7c6b
- 02 L d1483b3ec5a223747b4a193536fb13abdf81913938bd1cf2f334914defd1f97a
- 03 R 59b1223b4028d3d9f65fa2b59f64f093ad3bb27cf3c777afebe37de4925e0d41
- 04 R 66e6dfbc859794cf89a0b0c409b950227e975fff109fa46db1d36b9870692951
- 05 L b124dc4bf9502b0df8dd5530a0e7aa258678742afa543b01ff850561fb227df8
- 06 R f7739a3c2cc5c5c6d35020a5bc46c24acd52b2737fe1470851657b372de133e3
- 07 R fd2c69d5e94baf8e52f00d947e590a68bc46037503b4ca4bfa7a7af4b646e3df
- root 5594a125fb43cf452825339e7cee91325b3f4cbbf38804b0aa082953bed2218b