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 TARLAC Award a ₱2.0M contract to F.A. ASPRER CONSTRUCTIONProvinces
Transaction hash:
1395dde4c2de7e8bc9f7fa03f53ed29073e24612897dc7a907c0ece09114e21a
Status:
Included and unchanged
Block:
#3,187 2,826 blocks after it
Position in block:
Transaction 30 of 298
Award day:
Sep 11, 2017 (9 yrs 2 mo ago)
From:
Value:
₱2,016,830.42
Project:
Improvement of Classroom Building
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 #3,187 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 TARLAC awarded it to F.A. ASPRER CONSTRUCTION on 2017-09-11.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 Tarlac 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 1395dde4c2…14e21anow …
- 2. Block Merkle root changedstored 0c1ac4198e…8bb754now …
- 3. Block #3187 hash changedstored 129a674080…78cb73now …
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 297 records. Each step hashes the current value together with the sibling shown.
- leaf 1395dde4c2de7e8bc9f7fa03f53ed29073e24612897dc7a907c0ece09114e21a
- 01 R 13d230d792eb2572e1a5e2081dd0de2f0a012b787cd1565329459bd8e6cebcb6
- 02 L d3c6c1819edf8fc7fbf8895c7f6319d92cf60d10e7b066bb58f3a8b173379990
- 03 L d1d60f2d31f092162b3aa101c8407ed31e6ecf91aaf0e120fadee44f6935f49f
- 04 L d0840ebf1b59d80f0542ed8426e776dd365e1db1006dd2e4e37f35833e5c42a5
- 05 L 92505fd8b0ef14a4bd56b72d2f5fb8eab93557434afd1c464ec07ff8952b0432
- 06 R fada3df01a8f674b5b656c51e72b66a7d523d85cc409993ba395c9041688a8f7
- 07 R 41af1f12d10d02806233bb4bc575b603b07be3462a7f15345a22cb668f9efb6a
- 08 R 80c916ee6018c1b26feae2003baac4ea18fe94be49c86b850f1bbc2e14381d1b
- 09 R fc80e5a0218201073a089d65b7ed82c6f1a1e79a513f0e02615db4144e4fbba1
- root 0c1ac4198ee440f0c75fba3d391a7f5ec1f21dbef432cba213304aa6948bb754