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
PROVINCE OF SORSOGON Award a ₱4.0M contract to DUAMON CONSTRUCTION & SUPPLYProvinces
Transaction hash:
2c8dc10c4efd515cc212417764a0f16f7aadace02a379549ea07f07384438d9f
Status:
Included and unchanged
Block:
#2,589 3,424 blocks after it
Position in block:
Transaction 30 of 153
Award day:
Nov 26, 2015 (10 yrs 11 mo ago)
From:
Value:
₱3,959,164.32
Project:
CW15-10-037
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 #2,589 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)PROVINCE OF SORSOGON awarded it to DUAMON CONSTRUCTION & SUPPLY on 2015-11-26.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)COA's CY2024 audit of Sorsogon gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 2c8dc10c4e…438d9fnow …
- 2. Block Merkle root changedstored 702cfa174a…54194bnow …
- 3. Block #2589 hash changedstored 958bb20817…34ad7cnow …
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 152 records. Each step hashes the current value together with the sibling shown.
- leaf 2c8dc10c4efd515cc212417764a0f16f7aadace02a379549ea07f07384438d9f
- 01 R 2d37547bf3388181d641bc097b8b2e1025de8f63c1bdc084176de5a98021e133
- 02 L 96444c56fbf97a5effacf00cb84447a90cefc8b892020e26d47d93bc85577d01
- 03 L 38645662420b2add7ba90869685afa77c25ef6d2fff63b5d43e6bcf60aba125d
- 04 L dbc671c1763357bbfa189a67df8292f4eb6e852a5b001a8ab34355b50134acb7
- 05 L c327b19ff0afcec56381e413754ac6cc2629b47903979f4f27bd3e66428359a1
- 06 R f3b728c1fccb6c931278eab62e2923f6e1a2988690cf768b54237ff12bc2bf47
- 07 R 36cf471fdae4beb1ba3d0756d2c04233e5091a299fedd75145543204248cd91e
- 08 R 730d612e01332973e6c4bcf5fd5f4abd096a0e048ebd5f8742df744ab833f837
- root 702cfa174a97666ff4c1de0914d09870c62b9b53d8bc8168ecbc6e261c54194b