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 VIGAN, ILOCOS SUR Award a ₱997.0K contract to 739 BUILDERSCities
Transaction hash:
e7fedaeeda678805680dd61a26e6f4938699e0bdcde281e374acae5b84e713ab
Status:
Included and unchanged
Block:
#2,770 3,243 blocks after it
Position in block:
Transaction 167 of 187
Award day:
Jun 20, 2016 (10 yrs 4 mo ago)
To:
Value:
₱996,975.00
Project:
Construction
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 #2,770 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 VIGAN, ILOCOS SUR awarded it to 739 BUILDERS on 2016-06-20.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 Vigan gave a "unmodified" 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 e7fedaeeda…e713abnow …
- 2. Block Merkle root changedstored 59c3651d8b…0cd095now …
- 3. Block #2770 hash changedstored 528a88a8ba…31476cnow …
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 186 records. Each step hashes the current value together with the sibling shown.
- leaf e7fedaeeda678805680dd61a26e6f4938699e0bdcde281e374acae5b84e713ab
- 01 L e5f27ca12444b5e231c7eb83a86e3c8a67a1e12b1d733a968f0d8f7337d295a4
- 02 L 7b8e620a5d740770619eb81e421aba34d30021e9fca1965b259e5b9b5c7d3c5b
- 03 L 25d5fc485fca57721bd9c9e6e3d4559e1c84ee03301171569bd35cf227acea32
- 04 R 7eade20bf8702bcabc848e027324a027ac90909832dca9ea12679a9c67b4f3de
- 05 R 4b5abc9228c49304ff2fbd8ffda132cb9ac7c764ce928b8d49e46dca77f92ec5
- 06 L ec84da81cfe9540f53fc0010a83f0045d86a4a2eb8208901f92c442d55dff10a
- 07 R ab657e3976954d3432a3d020ba87b4833b1afbd1f708e09845e5aa0aabcc0d06
- 08 L 4f11dbb6bfdc0218656c710598b8acbfeed67ce67e6ab1d3c913cc6fc0c14795
- root 59c3651d8b6040140f843a2e544c8d4f8750b8b881f532b70dbdd71bdc0cd095