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 IX Award a ₱14.7M contract to M.ABUBAKAR CONSTRUCTION AND ENGINEERING, INC.National agencies
Transaction hash:
a4b005ea72ec8a3a22aacb3ea4d9ecaa9d521cf9d02c682baedb9d00a92482c6
Status:
Included and unchanged
Block:
#4,277 1,736 blocks after it
Position in block:
Transaction 141 of 240
Award day:
Nov 11, 2020 (6 yrs ago)
Value:
₱14,699,570.65
Project:
20J00190
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 #4,277 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 IX awarded it to M.ABUBAKAR CONSTRUCTION AND ENGINEERING, INC. on 2020-11-11.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 a4b005ea72…2482c6now …
- 2. Block Merkle root changedstored b7cba21b6c…93d9aenow …
- 3. Block #4277 hash changedstored a273fed681…206ae0now …
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 239 records. Each step hashes the current value together with the sibling shown.
- leaf a4b005ea72ec8a3a22aacb3ea4d9ecaa9d521cf9d02c682baedb9d00a92482c6
- 01 L a4487d09611cb59a9ed4040eb5c942b7b5f2ac73ca9706467fdb9e7711d4d645
- 02 R 4fd9b7f45650896a1a5f1e32915f245ca681230f84e5dddfaec0a208e53ddc24
- 03 L 0ed9ae4c8ecec93127ea89815b253c8aaf4baeb9ee9980066fe6a75db37e981d
- 04 L a3cee31c5854589af0f73fc024d15db9c3609452040e05136235a177e6a8922f
- 05 R 131bef097df6e0e309211384a45b0519a8cd55570d18ba7b65ea6bb04c88342b
- 06 R 33f6bc97d05472bebb47c008cd7daea48133c8ecb021ec0c5cf40d25b0af60c5
- 07 R 77b1559d9867bd11e7defa3360a2cc202af03f29ca4fae4a295c76fbaf920c2f
- 08 L 7b428c5c941a72147ca3aa9ded2de5d571cb832e0ba47fb49586020050c03e30
- root b7cba21b6cb8ce8e71f8366fd6e0c214838d694b9ed576bf3b567a0ae593d9ae