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 VALENZUELA Award a ₱10.0M contract to LARSEN DUTCHER CONSTRACTORSCities
Transaction hash:
bcd6b77b2df5cd38e19aeaadb4e609d8321c5894aace29d08502747d52120ddd
Status:
Included and unchanged
Block:
#1,007 5,006 blocks after it
Position in block:
Transaction 20 of 25
Award day:
Nov 19, 2010 (15 yrs 11 mo ago)
From:
Value:
₱9,996,642.31
Project:
CRN 059 (ROAD/DRAINAGE)
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 #1,007 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 VALENZUELA awarded it to LARSEN DUTCHER CONSTRACTORS on 2010-11-19.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 Valenzuela 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 bcd6b77b2d…120dddnow …
- 2. Block Merkle root changedstored 9375bbe920…938f15now …
- 3. Block #1007 hash changedstored 336f0c18ed…8562c5now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 24 records. Each step hashes the current value together with the sibling shown.
- leaf bcd6b77b2df5cd38e19aeaadb4e609d8321c5894aace29d08502747d52120ddd
- 01 R c5e0411ffeac98865bd0f608a62196c683e6c4cfb289ee256a88e576e43c74de
- 02 R ed60c26a4278b1bd1a7923b4719d9d261942dcbc0f6e0b25c2762cc405ecc943
- 03 L c045eec27ebd5a4176cce84831cbdb19a0da9abb4ce76dda8dc599d49bc6f47b
- 04 R 4853aaa57dece2faf674645eb2db30e5a803f638bd8816959eb590e15be8862f
- 05 L 41e349ed97446fabdb6dbe8d246a54d7c5d142594747cb92899a03b29d5ec372
- root 9375bbe92094a55fa85b4a5c9161805d13d3fda7923651cb9716baaf09938f15