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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION III Award a ₱16.4M contract to R.D. TALENS CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
2f0c04ea237cd815f71f80d6f60586e142c0db9cd90d7d3c202750ddab7fcd69
Status:
Included and unchanged
Block:
#4,841 1,172 blocks after it
Position in block:
Transaction 36 of 192
Award day:
Jun 29, 2022 (4 yrs 4 mo ago)
Value:
₱16,397,451.81
Project:
22C00020
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 #4,841 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)DPWH lists the funding source as "Regular Infra - GAA 2022 OO-1", i.e. the FY2022 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION III awarded it to R.D. TALENS CONSTRUCTION AND TRADING on 2022-06-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22C00020: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2022-12-14). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 2f0c04ea23…7fcd69now …
- 2. Block Merkle root changedstored 393e5c2bc2…7cacc5now …
- 3. Block #4841 hash changedstored fd08af8e51…f97a14now …
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 191 records. Each step hashes the current value together with the sibling shown.
- leaf 2f0c04ea237cd815f71f80d6f60586e142c0db9cd90d7d3c202750ddab7fcd69
- 01 R 30b570abe80ae8c562dcc917cc5e42d9153c1184f69ef1a03eff9a84f28dee76
- 02 R 26a52acc6dee55967f01c38ef18eb2e35a709185e6617dc5e872827875c693ad
- 03 L a036447b5622f17fc4728911144f98947eb62f0b021963cb3f82ec1954176fba
- 04 R bf1f93014a85b96bddcfddd433ec94fa471c3480dc0a5c7708255b0057670917
- 05 R 7a0be94f3db41cd5248cc4759d41bdd8a4342b7d20428145024d4cdb4ee08331
- 06 L f2e7e532b0ee6f03a10a012a0496525cedac3d2d65a65a39be255c01da17f758
- 07 R 8851b29bbbbe1bc03e9e1f4a9a9f1bc12a6a76b16a6cf71e37a9335386a81814
- 08 R 1f089be728592943e5dc993559aed23b52af5d5646ccae1800f8b96cadab3b0f
- root 393e5c2bc2a59df72370a3c46048aa0f134d6b591597a813a75d405d007cacc5