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 ₱3.3M contract to D.C. MANLUTAC CONSTRUCTION & GEN. MDSE.Provinces
Transaction hash:
e01d68fc11ff6d0855352ed42816f7e23963b2e7291451bb36d0678740b2adc3
Status:
Included and unchanged
Block:
#2,733 3,280 blocks after it
Position in block:
Transaction 416 of 484
Award day:
May 10, 2016 (10 yrs 6 mo ago)
From:
Value:
₱3,305,457.92
Project:
Rehabilitation and Improvement of Road
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 #2,733 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 D.C. MANLUTAC CONSTRUCTION & GEN. MDSE. on 2016-05-10.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 e01d68fc11…b2adc3now …
- 2. Block Merkle root changedstored 51f7d9525d…a6c3c9now …
- 3. Block #2733 hash changedstored 77a77e0b32…a7c86dnow …
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 483 records. Each step hashes the current value together with the sibling shown.
- leaf e01d68fc11ff6d0855352ed42816f7e23963b2e7291451bb36d0678740b2adc3
- 01 R e0cf02e4851a1afe5db235d72b5f6e35e15114ea127291b4290e851175adb1a3
- 02 R df23c5fc8a8b53da1b8f49ee633d807a073d667aba3fa1332da8c03e25bc86c3
- 03 R f72a8825f5a8d1871978b2ea608641b335d2df9ac1e0683ce903d16c7083adc9
- 04 R 76e9004b2cf0f286f0d119432da853a41a612efdede23cf2068fc0ddf27bf328
- 05 R 1472208acd92ec9985a648641b4c8134f905528b6fca9dec4d0760b5e05845a9
- 06 L dbefd43cbd3cd897fdb5f476553107bf3ea1a7dbd372618a7cbd9449f17f1f8c
- 07 R 1b9b2b6cb345a615964101c57b06532937eb80c33e8901dee8cb89fe0208545e
- 08 L 07e09ccb59dcce3d32d5dde62a694b0ef35c0c20ce092008a1ea95cbae6e283e
- 09 L 93b662a16b1ac58e1f4d964cd33cae47e3c8921199742a823d90a90920320bcc
- root 51f7d9525d2f626589f122cde2df474d50083610b5fa95665c6f4f1e28a6c3c9