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
MUNICIPALITY OF BANGAR, LA UNION Award a ₱2.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
cdf5742d8fa8624eaedd063232981e887896ac4c15751c5c6c2b90500da93046
Status:
Included and unchanged
Block:
#2,614 3,399 blocks after it
Position in block:
Transaction 337 of 414
Award day:
Dec 23, 2015 (10 yrs 10 mo ago)
Value:
₱1,968,497.85
Project:
REHABILITATION OF SAN CRISTOBAL FARM TO MARKET RD.
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 #2,614 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)MUNICIPALITY OF BANGAR, LA UNION awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2015-12-23.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 Bangar 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 cdf5742d8f…a93046now …
- 2. Block Merkle root changedstored 1eeb910062…ffde79now …
- 3. Block #2614 hash changedstored 90370e5655…ee5e7cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 413 records. Each step hashes the current value together with the sibling shown.
- leaf cdf5742d8fa8624eaedd063232981e887896ac4c15751c5c6c2b90500da93046
- 01 L cdb8baa69a12e3e217026ea91ee4213f3cedfff35109c672e2b4d0917ae45010
- 02 R 353ac19c5b02336f49a70b434d38f571eecec474dc2d07f5db86fcb542c026f0
- 03 R 1a3b84475d5e3dca37cddb947044a413d7821a55fd064824066984ea9d79cfb5
- 04 R 856093393203410adb76b1378ef2589d5a2cf8a9e36dac9736dea97ee7278b52
- 05 L 89fa8212c6cff549f7732d15c21511c5bb60d40b1c42d2f557621373c6530152
- 06 R 700b4f704b4ca784d0a2053f94b2998ba134aa2a41d787bc99b9a7ac97fffb84
- 07 L 792c055b2bd8eb08f3fc2070e583a60f83b97651fd248d9561a2128335ccdc5b
- 08 R 2492022f1e986b788aef946e3f93a603d5f91d5cdd91dc6b9452860e342d495a
- 09 L 368384c7fe216a4f94dbc030e00e747b8280f56c8a744e5111cf6798170ea3d3
- root 1eeb910062883091c44e6e1c2008bd3f2f89b84040392e4d909906be4effde79