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
PROVINCE OF ZAMBALES Award a ₱9.6M contract to CEDAN CONSTRUCTIONProvinces
Transaction hash:
b13922ebecbd1002b09acd1b0d66193a1f1afe79915a1ed180670d7e44f1d162
Status:
Included and unchanged
Block:
#1,810 4,203 blocks after it
Position in block:
Transaction 45 of 60
Award day:
Jul 23, 2013 (13 yrs 3 mo ago)
From:
Value:
₱9,629,109.85
Project:
Construction Materials
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 #1,810 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)PROVINCE OF ZAMBALES awarded it to CEDAN CONSTRUCTION on 2013-07-23.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 Zambales 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 b13922ebec…f1d162now …
- 2. Block Merkle root changedstored d8e0a87471…100212now …
- 3. Block #1810 hash changedstored cffdc72ae1…b95959now …
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 59 records. Each step hashes the current value together with the sibling shown.
- leaf b13922ebecbd1002b09acd1b0d66193a1f1afe79915a1ed180670d7e44f1d162
- 01 L a2e02117728ffdc32477cc4eaf11549d7501e49e895d92e3bf3f92dee92f77fc
- 02 R fe1976edd9168b15553c929e9b69d902ebec49c65928b191134abbadd32c5cca
- 03 L fc722acacd9d9ee7d4ae3ba4354bfcc3a1c13c98e6ca5e679595c3c9b9445355
- 04 L 055ff6cadc260a5b4e8b2840496a376ea9aa60cb058e85670f2005fda985f21a
- 05 R 12c9287d405fc7d609e3cc551cf119491cfd4c43e1db572687fc4b4b97a0e000
- 06 L 18f9ef54f5d9da7a92ec4f840ae81c6dd45ef5ab4e7dd48f3074db64703d7079
- root d8e0a87471b411e8b470aef581c3f6fbaa75bdc0a9294a827d41ca54fc100212