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 DEO Award a ₱37.4M contract to NORTHERN BUILDERSNational agencies
Transaction hash:
b2d8bb39045bdb1fd79498a2e4fdcdc952a359a5db90a1c6b0c172697b2dc49f
Status:
Included and unchanged
Block:
#3,010 3,003 blocks after it
Position in block:
Transaction 129 of 187
Award day:
Mar 8, 2017 (9 yrs 8 mo ago)
Value:
₱37,355,859.54
Project:
17CJ0058
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 #3,010 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)DPWH lists the funding source as "Outside Infra - GAA 2016 NDRRMF", i.e. the FY2016 GAA. The exact UACS line is not given.Partly
- 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 DEO awarded it to NORTHERN BUILDERS on 2017-03-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17CJ0058: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2017-09-10). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 b2d8bb3904…2dc49fnow …
- 2. Block Merkle root changedstored e20be415ec…7a3b7fnow …
- 3. Block #3010 hash changedstored 8a80d0b3b5…dd907enow …
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 186 records. Each step hashes the current value together with the sibling shown.
- leaf b2d8bb39045bdb1fd79498a2e4fdcdc952a359a5db90a1c6b0c172697b2dc49f
- 01 L b118b537463688e61ae1f28a11c7bcfd9e76f1139709469af5688cf0848d15a4
- 02 R faae105ea1ceffd782401d941746c750324a3ca9fe2e64e38890b76dc6017ea8
- 03 R 5108f3b79ac8438174318711e9513905ce40a06acef68db5a13dbeaaa665ad14
- 04 R f7f287fc1fb189133a469dfd23a5e194566b39edd89682dcc911f5a11ef94e01
- 05 R dcdb7f773225a4bb25dd15372d1c6a39340d1d2d7a80a0733678e3f333fed2d8
- 06 R 51e1690080a6dffde09db025f46442e09b6404474c83d2272ae4234dbb0e48a5
- 07 R 6620e9a6a87938b3dfc0922248c1e46ad43fd83097285def743ba96ba3c28e5f
- 08 L c575018de7222038df9dc3504d593d49dc8d1b303d68b528f3727bab4e7cfcd8
- root e20be415ec31453446f7ddc84695f28b63d6cf447b8cbbee867bd2fc7b7a3b7f