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
ZAMBOANGA CITY STATE POLYTECHNIC COLLEGE Award a ₱3.0M contract to ZAMBOANGA 3VC CONSTRUCTION INCORPORATEDCities
Transaction hash:
07b692c72f3feea248aeeb7446f09ab7bf35e04303200f9abc73c30c850a066d
Status:
Included and unchanged
Block:
#2,567 3,446 blocks after it
Position in block:
Transaction 6 of 106
Award day:
Nov 4, 2015 (11 yrs ago)
Value:
₱2,997,679.35
Project:
Rehabilitation of Electrical Building
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 #2,567 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)ZAMBOANGA CITY STATE POLYTECHNIC COLLEGE awarded it to ZAMBOANGA 3VC CONSTRUCTION INCORPORATED on 2015-11-04.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 07b692c72f…0a066dnow …
- 2. Block Merkle root changedstored 7afa103718…a2c665now …
- 3. Block #2567 hash changedstored 0249dd6d73…05d9f6now …
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 105 records. Each step hashes the current value together with the sibling shown.
- leaf 07b692c72f3feea248aeeb7446f09ab7bf35e04303200f9abc73c30c850a066d
- 01 R 093ab1e27b0b3f0e975ab3420fbe78f8ce0e47b820b0a5909d2f2318f4668cfd
- 02 L 9ee6a63a04362834922c978c6390873753b800c7f4f6f4e042afe6b9ddf680ca
- 03 L 5f4808571a609432725c330256e6f32d58565a570d599fe843a03d8ea2bf2863
- 04 R 9102a1385ff000d1e02ce4d9069316ffe14656900fa5d451cb29fb30c8313cec
- 05 R 0f3920a901418e4941d5d2d5b82d0e6c132c956b5b0398525ee8bf72e14b4b9d
- 06 R 0dab82db5d3775c24f0843d9ce666b700a61e41bb7077ab85981f341af63c44b
- 07 R 6c356415667decdd5451a6512242a5ed32829e83072614c2cf89939892ce6934
- root 7afa103718f0d9d2dd3dcd8e27e9d1995b62b2a65f46a879c3feb44f37a2c665