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 - DAVAO DEL NORTE DE Award a ₱27.9M contract to D.B. RAVELO CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
eda23f99397c3e86d0abc808fe56af91fb03e7c6789b748785e62e6fd87afbee
Status:
Included and unchanged
Block:
#4,306 1,707 blocks after it
Position in block:
Transaction 118 of 125
Award day:
Dec 14, 2020 (5 yrs 10 mo ago)
Value:
₱27,879,905.91
Project:
20LC0012 - Tagum City Diversion Rd. – K1458+195-
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 #4,306 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 - DAVAO DEL NORTE DE awarded it to D.B. RAVELO CONSTRUCTION & SUPPLY on 2020-12-14.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 eda23f9939…7afbeenow …
- 2. Block Merkle root changedstored dc0f8e25ef…9ed9a1now …
- 3. Block #4306 hash changedstored 91d176bac1…be95bcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 124 records. Each step hashes the current value together with the sibling shown.
- leaf eda23f99397c3e86d0abc808fe56af91fb03e7c6789b748785e62e6fd87afbee
- 01 R ef1820ad29a07b42360be424624ca60000486d54dba57030d948c49339875382
- 02 L 69f59e726162db8d42c042d4412e3e71e60bacded725c7afbb77d165d847eec3
- 03 L 0a93e2714a5af6bbfe28f3ee30a929d586fe1a3feb622c67d9e37ad0146f9756
- 04 R 5f369f9b004aa911ea761fe24e3b6918bab705c4a075baea6c8efbcf8a8b4e13
- 05 L 3ef4b90954900d90974291a25e5166c331bb49724390b9934d0722d9ba3c735b
- 06 L b24fe33e6b473982c0deb0f70701c4aba834cdbd0520dd1746c2876285c3850b
- 07 L 6ee3f57873e7bbd212b6164dbc5ccc924bc573282c75c49f9b752bad4f242bc7
- root dc0f8e25ef6f1303393b15ba58d883d300b2c7ce25ec072e6f7ac950d89ed9a1