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 ₱247.1M contract to A. T. TAN CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
cdde5b94f6db7c104f8d18f0c2a3deecc62f1bf9fb6dc6d6d1fc010091eda933
Status:
Included and unchanged
Block:
#5,812 201 blocks after it
Position in block:
Transaction 1,058 of 1,376
Award day:
Mar 26, 2025 (1 yr 7 mo ago)
From:
Value:
₱247,064,244.25
Project:
Construction of New R.C. Deck Port Facility
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 #5,812 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 2025-03-26.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)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 cdde5b94f6…eda933now …
- 2. Block Merkle root changedstored 826d57e981…f5a1fdnow …
- 3. Block #5812 hash changedstored c3af4c89f9…8b611bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,375 records. Each step hashes the current value together with the sibling shown.
- leaf cdde5b94f6db7c104f8d18f0c2a3deecc62f1bf9fb6dc6d6d1fc010091eda933
- 01 R ce171936349b4f3bee211af1142cdab1adfa5db2c2bf781517964cb6f6bf3aeb
- 02 L 172fc108a63eba9135f0704b224e067c8e64aaf35c800b8a27e63db649b6d81f
- 03 R 352869ad9983cfeb1ca29d5f0e5840d1900c8e1bd5c18c04cfef09fe9e956b57
- 04 R 9d78edf2757f0fe9d05e6046443a1249cb1d5e95960688b3e6f06927fc882f3c
- 05 R 6f95964a05b5d3a44e0cbc4ffae5c26b18d78dcea22ae4a6868e6d4a6e524687
- 06 L e8c8cee5b2e2ad32cbf564851545e4a7c852c0f80670b61d28791de5685182d2
- 07 R c9e20571ff42c57f9c11aa15f3239fe93a7a8dde892103541003bf2e4bb8b9b4
- 08 R 6ff096180ec749730c5813316a3c0bcbae14012fbd677beb5a491a37d8759610
- 09 R cada206d5c857d873ca69605bb0a2c9b91d9c86f245fdc263b169d61949d5824
- 10 R f3ef0a624a049b92a398a3310abc2ad3f88027ffadaa1ab27de25734f66a7f6a
- 11 L 3f63472a70692bcce9443b68e271032593918126aaaefab71ec3074ed367e72e
- root 826d57e98128d5f582135baa887df2bf20ad5c3407f984661dd09ea7c2f5a1fd