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 IV-A Award a ₱202.7M contract to NEWBIG FOUR J CONSTRUCTION INC.National agencies
Transaction hash:
ab0c00d2f41d759f6cd9db6705c25c6c0063e9a8a6a05c278df1db2a4c0642dc
Status:
Included and unchanged
Block:
#5,020 993 blocks after it
Position in block:
Transaction 284 of 429
Award day:
Dec 28, 2022 (3 yrs 10 mo ago)
Value:
₱202,681,058.94
Project:
22D00118
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 #5,020 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 IV-A awarded it to NEWBIG FOUR J CONSTRUCTION INC. on 2022-12-28.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 ab0c00d2f4…0642dcnow …
- 2. Block Merkle root changedstored f93c3fe3f1…6cb2e1now …
- 3. Block #5020 hash changedstored a61a28696b…d1957cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 428 records. Each step hashes the current value together with the sibling shown.
- leaf ab0c00d2f41d759f6cd9db6705c25c6c0063e9a8a6a05c278df1db2a4c0642dc
- 01 R ac5e8f2ecfbd9206f8c869ead903053c3218e14b2ad2ecf9c9faad21c28da817
- 02 R f72d057c8935ce1704c0f04441eef8fc46e042422f262c513eb389bd0695079e
- 03 L 88747a00fef269df3d706abd46775057616e93834b670c31e1ab40506c1470c5
- 04 L 5187ddf440bee634b5ab78695ccb520f95ab5d306eab111160cf2228e724b471
- 05 L b1afa403843c16d1ce27c38a73ba8d25a0b682cad0705e8c8fa8d0fd9555f24b
- 06 R 4a7c535324799bd80a8b1246665fdc55466f3af7e60d7d709831308a627340af
- 07 R a5ff8053f846533ed5411f5adf37049bb71de4153ca336f29b3f90538efdb3cf
- 08 R 9794b2366ac18c073b30647935ae9c38e9557fa8669028edb4ac70b10858cffb
- 09 L b9efff1c3b5846b29bde6917c2c842382c761954ffc08d2ee58d927f448b28d5
- root f93c3fe3f1ae8b78ad49733fe210bee8f487b83b68829daeb3f5d369a96cb2e1