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 ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱1.3M contract to BEAM CONSTRUCTION & DEVELOPMENT CORPORATIONCities
Transaction hash:
e0fba7f42f4e577c6c75abd243ef19214cff3d223b0b5e8679f4287abc5b3b9c
Status:
Included and unchanged
Block:
#80 5,933 blocks after it
Position in block:
Transaction 6 of 8
Award day:
Mar 22, 2007 (19 yrs 7 mo ago)
Value:
₱1,319,300.00
Project:
Construction of Multi-Purpose Building at Regional Science High School, San Roque
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 #80 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 ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to BEAM CONSTRUCTION & DEVELOPMENT CORPORATION on 2007-03-22.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 Zamboanga 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 e0fba7f42f…5b3b9cnow …
- 2. Block Merkle root changedstored 8bd3d4efcc…63f974now …
- 3. Block #80 hash changedstored 3aab3c7101…8d5ee6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 7 records. Each step hashes the current value together with the sibling shown.
- leaf e0fba7f42f4e577c6c75abd243ef19214cff3d223b0b5e8679f4287abc5b3b9c
- 01 R ffc5509503ea79c9e1f512b62b4f4e8bb1f163065c065008376c7e4c210b66ab
- 02 L 63feef1179ca09652cb9b3479a28a7751cc68e84acc769b239813b77730dd216
- 03 L f7aaa8e82f093fa29754490d53d3ada0ab031088c8616611bb05baaf094ecf78
- root 8bd3d4efcc23f358f555b7b2796e4773204efd3d914981b8d1030278c863f974