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 II Award a ₱70.7M contract to NORTHERN BUILDERSNational agencies
Transaction hash:
b4a71ea6a385fde1ea6e2af7e4b18a3d91c716461b4badb02e7d8f5851228a22
Status:
Included and unchanged
Block:
#2,654 3,359 blocks after it
Position in block:
Transaction 124 of 168
Award day:
Feb 2, 2016 (10 yrs 9 mo ago)
Value:
₱70,733,476.60
Project:
15B00043, Road Upgrading (Unpaved to Paved
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 #2,654 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 "Regular Infra - GAA 2016 MFO-1", 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 - REGION II awarded it to NORTHERN BUILDERS on 2016-02-02.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 15B00043: 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 2016-10-11). 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 b4a71ea6a3…228a22now …
- 2. Block Merkle root changedstored 7585d9da6d…3b2748now …
- 3. Block #2654 hash changedstored 8edd2b0dc0…673ec4now …
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 167 records. Each step hashes the current value together with the sibling shown.
- leaf b4a71ea6a385fde1ea6e2af7e4b18a3d91c716461b4badb02e7d8f5851228a22
- 01 R b7a73afe69d4edebee64e8bc8b5ee3f718f75cae76d749bdbe417377997ea66e
- 02 R 6e3f21490663a23588e567010ef405d210b96f3be33d545ab8465d54cb71727d
- 03 L 887ad2d3e1bbfc95d935179cd3b07af82a67bca5309b4cba7877f8a918f74ee8
- 04 L e3a2cdcc44391f9b7b951e25bf44d8f9740dfda757229049b7de866594c35952
- 05 L 29160c1222a21ad4ab898a18ea5836d3d45b2937a0185c09a679168ab6ad3991
- 06 L 5c115f22edbe2de5e18180ecdb543936f6487199fea0d8c45da9eafe8af2b3bb
- 07 L 183adc311ca17e88526659c16bc9e764ca88d756fe64615af2cde4ff71ff52b1
- 08 R a5a4c2b9feb49d5649198e79dea8cc6ce4702a384bb4967376c4b41bc85ec235
- root 7585d9da6df047dca03df32ef6cb5c509f5120dda90d0d090f3cd6fc3d3b2748