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 CALOOCAN Award a ₱4.8M contract to JAGONBUILD CONSTRUCTION CORP.Cities
Transaction hash:
cd00a0f39ccdecb6f223d372d442e46fab40ca68df3c81aa71cbdfdcccea63f5
Status:
Included and unchanged
Block:
#4,707 1,306 blocks after it
Position in block:
Transaction 42 of 50
Award day:
Feb 1, 2022 (4 yrs 9 mo ago)
From:
Value:
₱4,788,835.00
Project:
IMPROVEMENT OF DRAINAGE SYSTEM
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 #4,707 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 CALOOCAN awarded it to JAGONBUILD CONSTRUCTION CORP. on 2022-02-01.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 Caloocan 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 cd00a0f39c…ea63f5now …
- 2. Block Merkle root changedstored f388d03736…e2b3eanow …
- 3. Block #4707 hash changedstored 681b317adc…241b06now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 49 records. Each step hashes the current value together with the sibling shown.
- leaf cd00a0f39ccdecb6f223d372d442e46fab40ca68df3c81aa71cbdfdcccea63f5
- 01 R cff4339873b98c1b54cfd352fc85186f590b63dada3ab23ede28d6f297aecdb6
- 02 L 5138ad2b5318a1a235182148c9155dc140ce363f867646a2d206ffb2445680bc
- 03 R b8d10f2cd71776472734f8aed9422abe7dc4c760e3491e663690296530b61e51
- 04 L 3bba024caf89552c21555e02879af73c8957b0c9d42a04fc3e50772ad9ae5c71
- 05 R e3e8c2fcf516689cb248249aaf0e98e3f0361e942cd992134ff12bc1d9624e4b
- 06 L c796847fbf69a7c03214772720ac20168f88c8986081a22ce0e8304fa46e6541
- root f388d03736c3c7a857dd12d9e82957c00834eb75dbf9c4d70c45db395de2b3ea