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 - MALABON-NAVOTAS SD Award a ₱33.4M contract to R.D. TALENS CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
6a12347aadf295b9c19a1529812b8e8adf7d7ee3f59887801431fb9527a88dca
Status:
Included and unchanged
Block:
#3,230 2,783 blocks after it
Position in block:
Transaction 67 of 159
Award day:
Oct 26, 2017 (9 yrs ago)
Value:
₱33,375,345.22
Project:
17OA0070
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 #3,230 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 "Outside Infra - GAA 2016 DepED BEFF, Outside Infra - GAA 2017 DepEd BEFF", i.e. the FY2016 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 - MALABON-NAVOTAS SD awarded it to R.D. TALENS CONSTRUCTION AND TRADING on 2017-10-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17OA0070: 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 2019-04-15). 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 6a12347aad…a88dcanow …
- 2. Block Merkle root changedstored 646c983cd2…5c73f2now …
- 3. Block #3230 hash changedstored 74578c1c0e…12b2banow …
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 158 records. Each step hashes the current value together with the sibling shown.
- leaf 6a12347aadf295b9c19a1529812b8e8adf7d7ee3f59887801431fb9527a88dca
- 01 L 683d873177610a7e2fc990f9fdc4058ac9d842ae04d8cf315ee684a1b8fdbb25
- 02 L 50846ffc9e97c4bbb709698c508dc31fb527d5cf416264d008e4aaddcf1e7944
- 03 R c3770cef9f848e423c84097d5dbbc0bbb42e94a3f91772877769f622a57ca281
- 04 R 744177a4168a46b76aafd40b837a66bb448349f809e3e2bfc7f0cb1b4e9e991c
- 05 R 5c4b3083f790a2bcae0e630315ae426cf7172266a75fdd0a8176914bbd6137bb
- 06 R 75e6fde1f33574d8523f933025a312f45244f48a76dec285f23737b08628bc26
- 07 L c931829de70dc77f60749cc21b0b9695ba5a7fd9520aaacb6af6a528fbacead8
- 08 R 7f4ef8418761bec7c37e9f6da699515f31c6441ab021610640627b5276e78052
- root 646c983cd218f485dbe674584a5e288a4f6f9005c29caa3a6c48d093865c73f2