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
CITY OF TABUK, KALINGA Award a ₱3.0M contract to TNJ BUILDERSCities
Transaction hash:
4e516b185f7d5dc244c00ccd9664e8c7d162fa955611e9835f7d29b283b7cafb
Status:
Included and unchanged
Block:
#3,500 2,513 blocks after it
Position in block:
Transaction 79 of 256
Award day:
Aug 9, 2018 (8 yrs 3 mo ago)
To:
Value:
₱2,992,360.80
Project:
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 #3,500 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)CITY OF TABUK, KALINGA awarded it to TNJ BUILDERS on 2018-08-09.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 City of Tabuk gave a "not stated" 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 4e516b185f…b7cafbnow …
- 2. Block Merkle root changedstored 0dc5895242…8a8923now …
- 3. Block #3500 hash changedstored 193cdff715…db58c0now …
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 255 records. Each step hashes the current value together with the sibling shown.
- leaf 4e516b185f7d5dc244c00ccd9664e8c7d162fa955611e9835f7d29b283b7cafb
- 01 L 4b66e0e3b0ae84fe6a0c900c3b700ddcf3e86cc0f13da3797aa0dbd535107fd2
- 02 L 924512ddee190af67ede7b3fcb12099201c7388d9eaef3b14f5c8762af27823e
- 03 L f837b8f0f7441a8908e5a72a8c94bcf46260f48d4dc707c8fa4e8ea808cbdd6c
- 04 L 8ba234de8f910a0839a6111eadea75e56636cd3be9eacab44e370e5658bf2ad4
- 05 R e2daee0fd2f6dbcead5f8f4dfc8cd2efddf7145d316b98af8ccbddc1ff087f28
- 06 R dcb2609fb1f7f35a12e621cd039397eb5d243b2fbcb92edca98c2b012951931a
- 07 L 8060b724a80529c6df96499420c22c9945aed17ee8330250b38a61fa230cb806
- 08 R cdaeae6542f9c861fc3769222035f3fc057c5c920a2d047ca2521913018feeb6
- root 0dc58952421a1c7f8d95ba23d4446ce39501c4f4de94eb97836aed80ed8a8923