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
MUNICIPALITY OF OLUTANGA, ZAMBOANGA SIBUGAY Award a ₱498.2K contract to FOUR BROS BML CONSTRUCTION AND ENTERPRISEMunicipalities
Transaction hash:
0dba65b92136a8eaee724a9ece7fed2395221f18b695619d6b095f97dee15ec0
Status:
Included and unchanged
Block:
#5,332 681 blocks after it
Position in block:
Transaction 16 of 237
Award day:
Nov 16, 2023 (2 yrs 11 mo ago)
Value:
₱498,172.32
Project:
four bros construction and enterprise
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 #5,332 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)MUNICIPALITY OF OLUTANGA, ZAMBOANGA SIBUGAY awarded it to FOUR BROS BML CONSTRUCTION AND ENTERPRISE on 2023-11-16.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 Olutanga 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 0dba65b921…e15ec0now …
- 2. Block Merkle root changedstored 6d0e0b4fe6…a3ac3cnow …
- 3. Block #5332 hash changedstored 4504a913d1…68e692now …
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 236 records. Each step hashes the current value together with the sibling shown.
- leaf 0dba65b92136a8eaee724a9ece7fed2395221f18b695619d6b095f97dee15ec0
- 01 R 0fd5c1a00346563324fe317e5e0849041d8c346bece720f68c220eda41f19860
- 02 R 42097256a136e07c5d56e8efdb2bd69105fe9a4169985a7d2f4bcc23c49bdc4c
- 03 R 2071adb129da1ae2e5af68b5247b138a6aa0eae7145e2ef97649f9ac927dddbc
- 04 R 4e1778e96570115bf6d959a09ba446fead2f428f74c92ca9730bf13b9b54b85f
- 05 L 77e1f2013fb2ab13e7b18dbe827c10c5c472159c12e2c56d9bfd79fc7726a771
- 06 R 7dc26b4ef0e5b5ace7960802190eff32bec6a40ca160d34b49065f26252a7992
- 07 R d6bec88f34716c04c7fd771c64de6b6f1bbd9bfc3f78a73d26227cdb4dce6adf
- 08 R 3b85a9156d7aa4f8cb59ef7202d2fd216caeb290b82fc4843b3d0c0b50d1c76b
- root 6d0e0b4fe6ec854234e575a411acc65dcab9c0623a94c774898d1f57e7a3ac3c