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 EDUCATION - DIVISION OF BUKIDNON Award a ₱4.4M contract to TOMAHAWK BUILDERS AND GENERAL SERVICESNational agencies
Transaction hash:
8df5dbeedc11ea0cff2483194382d4ab3fa178f179bcb94fe1356b77a5a5fc4a
Status:
Included and unchanged
Block:
#3,684 2,329 blocks after it
Position in block:
Transaction 66 of 137
Award day:
Feb 19, 2019 (7 yrs 8 mo ago)
Value:
₱4,374,786.56
Project:
Lot 6
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 #3,684 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 EDUCATION - DIVISION OF BUKIDNON awarded it to TOMAHAWK BUILDERS AND GENERAL SERVICES on 2019-02-19.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 8df5dbeedc…a5fc4anow …
- 2. Block Merkle root changedstored 6d137d9af8…242644now …
- 3. Block #3684 hash changedstored 16c420c79a…50af78now …
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 136 records. Each step hashes the current value together with the sibling shown.
- leaf 8df5dbeedc11ea0cff2483194382d4ab3fa178f179bcb94fe1356b77a5a5fc4a
- 01 R 8ea41af0092e42f324409b835cb758f43086468965d8ee36a6552e3d1abfcf5d
- 02 L abbe1597cf47bb78fb5510aaf54b30a4d1938b4b6da13c3a181e00c2e0175b73
- 03 R 9e5fd3f95db2b1f20390afddb489f2e7c63b18d127e8fa06ab7e7e72ad6662fb
- 04 R c80ab6a8b47ab45a05375a3ef03cbe8396801ad9d221665084becc103c5ad053
- 05 R 1e045542c139b42b11b65e6bebe4249ca114fbc2db10389daee9e31465d3c3c5
- 06 R 655603d965f59e8035cb2b264bd2af89ae846c6fa8a0e3fad8b8fe21d2f66f82
- 07 L 3b81c3aa56df586897f191c2ddbfe451f31a17fe64eeb83137210e70f8641552
- 08 R f7147d03c3902e734a4d7389a40c044f81d484c80d145abb8ea3ab381a852fe3
- root 6d137d9af8e4fd893edb1e165f61b3adfacc57301b65f06e70f49bf3e9242644