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
CEBU PORT AUTHORITY Award a ₱39.6M contract to A. T. TAN CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
1c8fa9cf06414f4427f822f093303f0241cc239aacbc4c3eadd538158de990bb
Status:
Included and unchanged
Block:
#2,490 3,523 blocks after it
Position in block:
Transaction 22 of 218
Award day:
Aug 14, 2015 (11 yrs 3 mo ago)
From:
Value:
₱39,606,869.99
Project:
EXTENSION OF RORO RAMP & EXPANSION OF BACK-UP AREA
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 #2,490 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)CEBU PORT AUTHORITY awarded it to A. T. TAN CONSTRUCTION CORPORATION on 2015-08-14.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 1c8fa9cf06…e990bbnow …
- 2. Block Merkle root changedstored b9472b8c7c…236065now …
- 3. Block #2490 hash changedstored d5116cfc64…bc7e9anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 217 records. Each step hashes the current value together with the sibling shown.
- leaf 1c8fa9cf06414f4427f822f093303f0241cc239aacbc4c3eadd538158de990bb
- 01 R 1d9e5f78606f9b088a1f7d73fcdf5fb44a522d247a57a03e7e83d5609261c187
- 02 L 640a5f6a40a769dfd5ad36419ce76f2a1ca4ad3b9d65e7dddcd800327462ea46
- 03 L 28fd75dd625b7b0e946cbf699dadb3cecdd25ee711d4f0b1a613b8a434d8e671
- 04 R 910e1a188fd7676a95d4f19615c1230d129d87c9fee29aa10e6fa7ef433a4d32
- 05 L 97dfca53dc68637c848ef0d1aba8e74d78dcdd2fe05114a4cbb31fe9cfd6740a
- 06 R 2ff9674984d4cbaa2afe738fb3a6f3cc971b39a3647d27cf52ec22959cb5928d
- 07 R 515d0d8e6daf634de8d9e99e4e20c26d415d77857e9cd11d28469ba44904f208
- 08 R d8bdbc5ae3797d8ece7afe9414ba2f10b1b8251e77ae611fe2ab8308b6d5a9af
- root b9472b8c7ce504ce04d4ecec1c22b83945fcdb263276a775fa41478ded236065