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 ANGELES, PAMPANGA Award a ₱2.0M contract to MS CRUZ BUILDERS & TRADINGCities
Transaction hash:
ea3ec64b7cafe8b9d7c1db8be6474e13480423c6dc9f7e4dd8150f7e34c898ca
Status:
Included and unchanged
Block:
#2,408 3,605 blocks after it
Position in block:
Transaction 155 of 169
Award day:
May 15, 2015 (11 yrs 6 mo ago)
Value:
₱1,995,895.91
Project:
Infrastructure
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 #2,408 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 ANGELES, PAMPANGA awarded it to MS CRUZ BUILDERS & TRADING on 2015-05-15.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 Angeles gave a "not stated" 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 ea3ec64b7c…c898canow …
- 2. Block Merkle root changedstored a5047064a7…e34910now …
- 3. Block #2408 hash changedstored 8a5d90d282…18e5b7now …
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 168 records. Each step hashes the current value together with the sibling shown.
- leaf ea3ec64b7cafe8b9d7c1db8be6474e13480423c6dc9f7e4dd8150f7e34c898ca
- 01 L ea19493372946a57ac621552bead9da60af57dc730a1cd792b8d04f223376c09
- 02 L d654a09d405926d675b08a6ea5056d38c1d58cf5a06b273e05151af5646d4e06
- 03 R 66aa2bfe198d57bab97e6634f579b5852207c34c9cf9c93e8fb0d259d61f3cb1
- 04 L 2a18115a66e95d4963e1484c3bb2dd4bdf56c5473272b3896f5dd1b1a10d6da8
- 05 L c98a7ffe478f716f6682d06d3cbf970b6f921c8e1ef982ef8835eb6bfcbf6da4
- 06 R 5cceae227010bf7cabefc6acf30dc3a6b42766be0b800355f0295f1e7a3e38c5
- 07 R e6f73b26501a0be9fb2b6dfafe171694e2392543ce5aab4eb616fab777747a06
- 08 L 7784509e17eb85be8133a24535d3900ac94eaefcce1e2e6d5cb78bc42543f501
- root a5047064a7ca3bbcdcf40b299a898f1af88bd62f6dd805eb6418f78b38e34910