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 - LA UNION 2ND DISTR Award a ₱221.9K contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
b89ec9ba8a9233123dcfe47f0b014ce40dbb3a4a311e2702eea49a94f8a692ed
Status:
Included and unchanged
Block:
#1,896 4,117 blocks after it
Position in block:
Transaction 45 of 72
Award day:
Oct 21, 2013 (13 yrs ago)
Value:
₱221,852.76
Project:
13AF0081
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 #1,896 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 2ND DISTR awarded it to E. E. MADAYAG CONSTRUCTION on 2013-10-21.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 b89ec9ba8a…a692ednow …
- 2. Block Merkle root changedstored 476e4a6aef…39de7fnow …
- 3. Block #1896 hash changedstored 1c2400bb34…849648now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 71 records. Each step hashes the current value together with the sibling shown.
- leaf b89ec9ba8a9233123dcfe47f0b014ce40dbb3a4a311e2702eea49a94f8a692ed
- 01 L b7cf5fc7da6712516813a316836a85ec50e004ebe33bb37efb8510854025c0a9
- 02 R d1d1a46097eea614c18885130a964e98c13acdc23ca78e9fb9e3b6447e3678c2
- 03 L 30f3c986041452321f3594cfdfa784c5c1f0e7b145a59ffbc85862459a47a47a
- 04 L 29d571c5e1853ed9849e8dc54fc9202a57feb65cb3d576d59fb72e89abc53907
- 05 R 08a951da5f456fc672c9f5eacfce6f986f71617a1d956fcf3c49a2029ee641a3
- 06 L 83990aaae99285996ef71c9c9992062753ea6bf1a06d0bd78e22f4a8bd7c90be
- 07 R 5df1a25f4cdf761dabbc45433f401908a4dd479a7ee2fb496bfa8d486087c7d2
- root 476e4a6aef06e0125a1463e3b7cf14d4e8e98355419c7d62b24307e5dc39de7f