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 - MPDEO Award a ₱14.0M contract to JBA CONSTRUCTION AND BUILDERSNational agencies
Transaction hash:
f4e7f75485cc2dc99f3022a7ba71500fbdf1cfdd6b7e92ad49e2812f74d7c8fa
Status:
Included and unchanged
Block:
#3,076 2,937 blocks after it
Position in block:
Transaction 261 of 268
Award day:
May 15, 2017 (9 yrs 5 mo ago)
Value:
₱14,030,743.00
Project:
17PI0042
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 #3,076 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 - Flood Control: Construction - Drainage (e.g., Closed and Open Conduits, Spillway), Roads: Maintenance". 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 - MPDEO awarded it to JBA CONSTRUCTION AND BUILDERS on 2017-05-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17PI0042: 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 2019-07-01). 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 f4e7f75485…d7c8fanow …
- 2. Block Merkle root changedstored 174a124299…2344b3now …
- 3. Block #3076 hash changedstored d340d4ee8e…049c74now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 267 records. Each step hashes the current value together with the sibling shown.
- leaf f4e7f75485cc2dc99f3022a7ba71500fbdf1cfdd6b7e92ad49e2812f74d7c8fa
- 01 L f4e4e8a65d507cb55e1ce92c37ba1ae353e2d86184541834993c6760836b2bb8
- 02 R 88d57ee0126b247e62d52013f778df7efd7a6fecb9c4518f97cc6fb460587935
- 03 L db353d8cc8384f0f865bea1caa793700036b21d8b5cf2132100911c0684626d2
- 04 R 47855f73f6c838b7f5656940887798654093ea2a3ea10570481cda5cfc75ac2f
- 05 R 9c498422e6d08ede0d32124ecfc02b7a1f4ec3186312bc6010257fceb34bf083
- 06 R d5cdfd87462bdc11be153cc2a4fb96863803e4d572c798eef0e72a67e897bb70
- 07 R a6ffcda234929b444411645400c1bcf27c1683b21de41533efcd30b505d0bf79
- 08 R cfee1c9ce431f0303251636c0aeacbb8deb510c6c8313656ac990a1e4531963d
- 09 L fcc0dc848e2021252b0830cf8a5d7993ce7079dde38b20a46cd401502eceda27
- root 174a12429902d30b5433fc21f999aa7eaf94b230886ebb51eda3533b012344b3