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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 2ND DEO Award a ₱4.9M contract to ZAMBA CONCRETE BUILDERS INC.National agencies
Transaction hash:
c223a39bbd09eefa75127ee2c66c9fe69ff155d5f051854ff4f6db81647015de
Status:
Included and unchanged
Block:
#5,800 213 blocks after it
Position in block:
Transaction 1,017 of 1,359
Award day:
Mar 14, 2025 (1 yr 8 mo ago)
Value:
₱4,887,844.81
Project:
25CM0051 - Rehab. of MP Bldg., Brgy. New Ilalim
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 #5,800 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 2ND DEO awarded it to ZAMBA CONCRETE BUILDERS INC. on 2025-03-14.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 c223a39bbd…7015denow …
- 2. Block Merkle root changedstored 27711962aa…614aaanow …
- 3. Block #5800 hash changedstored c41d061d08…da858fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,358 records. Each step hashes the current value together with the sibling shown.
- leaf c223a39bbd09eefa75127ee2c66c9fe69ff155d5f051854ff4f6db81647015de
- 01 L c2051fbf5d9351a119d5007f00a4bb91d0302b7ebbe3a9a5c7cb7bae5a6b2675
- 02 R 1d2b9bd56d3696b04ae3c82ebf6a8595c3a4e26ad3c0213df18a25b8412e7d29
- 03 R a8ffd33fec447d21499d8a46947966ea6786bba5808d6aade982340ce98619b3
- 04 L 285f5a34a00e5c39516617ff7daf8606c5f32954225f10423e468ebc8ad790ef
- 05 L eff197506739c382002d7ebfc8df54a8f0d7d4a81447fc1b5479bae56c9752ad
- 06 L 405d146b8ae4bc0b38473d03b3c5278593e52f6be3edc1a8a2f0a778df6848a0
- 07 L ee538febe2ca5637893bfc43c85f13b8a697e6110ce8d7f6709131d79f18adbe
- 08 L f66fe386967b7e633198543e5afde67c911018bc162e4e31a75cdc263ac01558
- 09 L 9a27874160368ceb8e08f3314cc206435b00be1cbd6e9b53b61738b138e1f1f7
- 10 L e398e7b4b6caa13118f4d81bb576d615153200c1dbf6f137ff19323d036cc98b
- 11 R 0cc4084c06f267f959c702bf27baf00c73ae5b2ed5ee2c12222ada107b8ef064
- root 27711962aab9c40ddbb99a008d66a9c263e3e0f42752066b60ead19443614aaa