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 TRANSPORTATION AND COMMUNICATIONS - MAIN Award a ₱11.1M contract to BROSTAN CONSTRUCTION AND DEVELOPMENTNational agencies
Transaction hash:
bf6ee6ff4dd6f512b033f7200bd8560eb2563b80772ef4136a27722c0ecd2cc5
Status:
Included and unchanged
Block:
#617 5,396 blocks after it
Position in block:
Transaction 5 of 10
Award day:
Jun 10, 2009 (17 yrs 5 mo ago)
Value:
₱11,071,134.46
Project:
Pagadian Airport PTB, Fire Station, Water Tank, Admin Bldg.
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 #617 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 TRANSPORTATION AND COMMUNICATIONS - MAIN awarded it to BROSTAN CONSTRUCTION AND DEVELOPMENT on 2009-06-10.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 bf6ee6ff4d…cd2cc5now …
- 2. Block Merkle root changedstored 2147e4c960…96f0b7now …
- 3. Block #617 hash changedstored 0f420c5d95…8a44dcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 9 records. Each step hashes the current value together with the sibling shown.
- leaf bf6ee6ff4dd6f512b033f7200bd8560eb2563b80772ef4136a27722c0ecd2cc5
- 01 L aece93c4f1fc4692fa5a036648da9904289d633cedd702b24fa6e713f2532f8c
- 02 R fc567d1f9c87b706fe42b679bfb25dd610179ca864984f770f682fc919505dd3
- 03 L d5724ba81035cede54115d5d4f36d9331f7207fd8f21bbe48ffa2678d1c9bbec
- 04 R d86212f385de87a1299b1c49dd2ea7f49b9d336a9cea68c91bbd3a13adc152ac
- root 2147e4c960239e2306fd4eeeb7e219b0184ac2fe2136e974c3129be1b496f0b7