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
PHILIPPINE PORTS AUTHORITY, PMO - NEGROS ORIENTAL/SIQUIJOR Award a ₱1.8M contract to A. T. TAN CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
2a7f1ca997dd998db67bfeff50a86b03624c94ba4e4dc0dc73d97cfac8c78c51
Status:
Included and unchanged
Block:
#2,755 3,258 blocks after it
Position in block:
Transaction 17 of 96
Award day:
Jun 3, 2016 (10 yrs 5 mo ago)
Value:
₱1,834,244.04
Project:
LFP-NOS-01-16
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 #2,755 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)PHILIPPINE PORTS AUTHORITY, PMO - NEGROS ORIENTAL/SIQUIJOR awarded it to A. T. TAN CONSTRUCTION CORPORATION on 2016-06-03.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 2a7f1ca997…c78c51now …
- 2. Block Merkle root changedstored da4537d7d7…dbf580now …
- 3. Block #2755 hash changedstored 3420d663fa…5fcc73now …
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 95 records. Each step hashes the current value together with the sibling shown.
- leaf 2a7f1ca997dd998db67bfeff50a86b03624c94ba4e4dc0dc73d97cfac8c78c51
- 01 L 28ab96705d745b628ed28ab7cc853072935962d9fbdec2d892429664af680d64
- 02 R 86596decb0c09fd9064f80aad5bac6e94d3624115b7dec396ef33a7d5a90836e
- 03 R 7e33015aef30a7c5cf052a8a1b7944fc4061e83b5c892b83b2fdee15c1137aec
- 04 R faf4a38ca1c2aafae06db73c05474ea2d01e219401baa6d8c2068cd0e58166bb
- 05 L 50a2460353273e737d4352a7151de8d3736b6875ab97ed1a2eda6aa93dad917e
- 06 R 614e19a2f477310aa6d47626223bbe26a13fb1347e7bc07305a0e009c9f7c123
- 07 R af14ae63d2971e11a8b74d4ff80264146d61409f5cf11b853fdf3da5294deee2
- root da4537d7d7ad0612bbb73d1c885351accb0bd47fc034f8585bdd4059c4dbf580