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 CALAMBA, LAGUNA Award a ₱1.8M contract to RGB CONSTRUCTIONCities
Transaction hash:
d4861e551cbce7de660956e7590da711c4ab4d677f79fc42d15b0b849ee4b119
Status:
Included and unchanged
Block:
#1,206 4,807 blocks after it
Position in block:
Transaction 61 of 74
Award day:
Aug 1, 2011 (15 yrs 3 mo ago)
Value:
₱1,756,658.90
Project:
I-2011-044 Construction of Covered Court (Phase 2), Barangay Tulo
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 #1,206 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 CALAMBA, LAGUNA awarded it to RGB CONSTRUCTION on 2011-08-01.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 Calamba 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 d4861e551c…e4b119now …
- 2. Block Merkle root changedstored a7f9608776…09464fnow …
- 3. Block #1206 hash changedstored df145fc972…a15630now …
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 73 records. Each step hashes the current value together with the sibling shown.
- leaf d4861e551cbce7de660956e7590da711c4ab4d677f79fc42d15b0b849ee4b119
- 01 L d21b412003a55cdec4f4fbdec8941124fc359527f9b799b7cf8ddffaa89ae658
- 02 R 9b6d3712deba09a8359cadfec8c44c5a912b693624c1fa397ae3be6e00f15e25
- 03 L c7f81b8c74808067a7a1584353c28d4ecece32212695b17fef41172255edd96c
- 04 L e26666396ce5a975bb8a5b9c1df14b314a9ff528e215987e9ae852f85a900a34
- 05 L 3d7e9ac404342c85794b95bc6c12acf79b4a8fe1c7fa92c12e0942cc56160c75
- 06 L 9b7d3368b6be3322aa3fab5f9e30def243a5b40a896411e5cb995999b0183656
- 07 R 7d29c39d6eef1f9b8d083cb9effcf80f97c99613f118740e97e669bb92dc39ee
- root a7f96087763dd7dbb2e0cff368bc87425897c8fa94126b2ba8854e3bae09464f