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 BAMBAN, TARLAC Award a ₱116.0M contract to NORTHERN BUILDERSMunicipalities
Transaction hash:
c2ed14a09ee3e2686bfb7dc4edb464a0a4da29a58e8ad16fc24e9377c8c59d91
Status:
Included and unchanged
Block:
#2,062 3,951 blocks after it
Position in block:
Transaction 50 of 71
Award day:
Apr 29, 2014 (12 yrs 6 mo ago)
Value:
₱116,010,268.20
Project:
LABOR & MATLS AAA POULTRY DRESSING PLANT
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 #2,062 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 BAMBAN, TARLAC awarded it to NORTHERN BUILDERS on 2014-04-29.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 Bamban 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 c2ed14a09e…c59d91now …
- 2. Block Merkle root changedstored c3b1ee8431…001678now …
- 3. Block #2062 hash changedstored 17e7f43330…cf836fnow …
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 70 records. Each step hashes the current value together with the sibling shown.
- leaf c2ed14a09ee3e2686bfb7dc4edb464a0a4da29a58e8ad16fc24e9377c8c59d91
- 01 R c63af58e0ad1a7590b6d20293e7f9cde42fa5829bbd3edbec53c4308d0a6cdea
- 02 L 977567baef97e5d71b8281160a6b914427d4444732164b65e2624d0b274ffb53
- 03 R fae5be8553ba002df981d5f0cec6f05eaa9c4cdf09da51f2efa6789b6ff30d68
- 04 R 6904386b00bf62e698994a3d710959b00e9bbb9f77a6ec61796a1ad8c7347689
- 05 L 3836bfe947b51fc45b7897129b4c8e7033b7bef74ff59690997b0c01fa989713
- 06 L 5b2c19f0fab5d5df8bffb2d07333b97a0ba6d225edbb63969a7459015409e672
- 07 R afee14b14d80d20a410b371a1493925bae7fba3a0ec483c2648d3a8ef7bb40de
- root c3b1ee84318959629966f604479ab4452c4a99233d66337da1ba6ecd50001678