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 PAMPANGA Award a ₱2.5M contract to MAM CONSTRUCTION AND TRADINGProvinces
Transaction hash:
23217ab663d66c2f0a384dffa7a50838ff50543a0bd7992b4ccc311b3d55efab
Status:
Included and unchanged
Block:
#2,861 3,152 blocks after it
Position in block:
Transaction 31 of 300
Award day:
Sep 26, 2016 (10 yrs 1 mo ago)
From:
Value:
₱2,538,396.95
Project:
16-1987- Improvement of Elevated Four (4) Classroo
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 #2,861 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 PAMPANGA awarded it to MAM CONSTRUCTION AND TRADING on 2016-09-26.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 Pampanga 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 23217ab663…55efabnow …
- 2. Block Merkle root changedstored c4ee75efe7…13c3d0now …
- 3. Block #2861 hash changedstored d304ed323f…d240f6now …
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 299 records. Each step hashes the current value together with the sibling shown.
- leaf 23217ab663d66c2f0a384dffa7a50838ff50543a0bd7992b4ccc311b3d55efab
- 01 L 214e72fafb8d65f9769a3aee9f2e40961e838c0cbc25ba9697c0d2a1f136d545
- 02 L c405b938cb8a631ace6ca6b8c314237a2700d0a1e6f2a1301ba454ca84889a69
- 03 L 7b0a9a1465184fe4f764ffbb802a9d459fa9e932239688b7b6c5ba96e439b646
- 04 L 14ad521088c79f12efae5153759648e780f4f53d86d88d7c19eb04c04e811eac
- 05 L 56b20d47365a7699d7aac5169cf2d8c2619ed77f324f9b9bca50dcedd2a7105b
- 06 R 0385f84cd219fe38ca00de7cff03523e0550ea3d2188516e9d6d8c966a1a8639
- 07 R 917a22e3a77d65f0c7dfaacd08c06f66139d5a21580729ef0e833d3ab684db36
- 08 R bbc667e57a2a6d8e5175760072c4d1f2527b28d436d1d8736e42188681853f08
- 09 R 1936df0ecc89d4b3a23963ac2c9504ad1722394612decfd3f79e95ac7065650b
- root c4ee75efe7c7bd5932fba1b27297fd6b840b35f2100fc79d3a988a809d13c3d0