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
CITY OF BUTUAN, AGUSAN DEL NORTE Award a ₱8.2M contract to PEVCON BUILDINGWORKS AND LAND DEVELOPMENT INCORPORATEDCities
Transaction hash:
73a67d1b6e344552c76de0829b9137462df4c76bca7522b92e84fc94219fcd45
Status:
Included and unchanged
Block:
#4,236 1,777 blocks after it
Position in block:
Transaction 137 of 303
Award day:
Sep 29, 2020 (6 yrs 1 mo ago)
Value:
₱8,233,779.06
Project:
Construction of Manpower Development Center Halfwa
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 #4,236 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)CITY OF BUTUAN, AGUSAN DEL NORTE awarded it to PEVCON BUILDINGWORKS AND LAND DEVELOPMENT INCORPORATED on 2020-09-29.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 City of Butuan 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 73a67d1b6e…9fcd45now …
- 2. Block Merkle root changedstored a6e61e5d52…b8befanow …
- 3. Block #4236 hash changedstored 85936ddbb8…03377anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 302 records. Each step hashes the current value together with the sibling shown.
- leaf 73a67d1b6e344552c76de0829b9137462df4c76bca7522b92e84fc94219fcd45
- 01 L 736048d75e6b091cc74b9e34f066710d7f77f8eca0b7e88c4eb2439deab52f87
- 02 R 165a7a1d05c12d4c0bc0a7d0b7d406a92c1064829234b449db0add5db94b1316
- 03 R 3e0c8e68d84b6ac31781f2bb6db3980bae20b6762b67c266a6bc46309a790065
- 04 L 594798dc4f03e41e4c5e123e610acf51eb734a4e175ce13bd84056ab436021ec
- 05 R e081bdf337218974cdca694d5e36b8af8bed58a8108a9c722519081e1386bb26
- 06 R e402be681905726c11775207021e42e7a45a37a613256960c140c1ff5e5beea1
- 07 R 47e7637908976c8a8b664c81d410d4fe0c1b346635b25a198e7fb6bd7a863ab8
- 08 L 3100df8ec990bfe874520f53c328b8d8ac9faebe7044c616afeb50d19dabd0fc
- 09 R 46415e611af46f991e6f4adef57766007542a88bc2abc80ac94dd2948d178905
- root a6e61e5d52bb62f87be7f47b059f39ebee9618e0befe5066f91b4b8644b8befa