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 - SORSOGON 2ND DEO Award a ₱7.0M contract to ZKR CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
7517e6ea3e177fcb2ed98e01b3420b848a22c6e21534e8a7be727e5f56ecf153
Status:
Included and unchanged
Block:
#1,871 4,142 blocks after it
Position in block:
Transaction 49 of 96
Award day:
Sep 24, 2013 (13 yrs 1 mo ago)
Value:
₱6,959,668.61
Project:
13FL0033
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 #1,871 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 - SORSOGON 2ND DEO awarded it to ZKR CONSTRUCTION & SUPPLY on 2013-09-24.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 7517e6ea3e…ecf153now …
- 2. Block Merkle root changedstored f2905cd375…3b1549now …
- 3. Block #1871 hash changedstored 36130374cc…994311now …
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 95 records. Each step hashes the current value together with the sibling shown.
- leaf 7517e6ea3e177fcb2ed98e01b3420b848a22c6e21534e8a7be727e5f56ecf153
- 01 L 733656ab46d720e81dfb3578f379501e0fa48a7ed861b450fd9430d74048fb41
- 02 R f3427697e7ffd69432367fdc4d5ab1a8959116439b42629e2c61edddf09c0d5f
- 03 R 12dc643c5f1aa6993c97bc632eb5c3777dc43a53661d49e8d55819409d550e51
- 04 R a49d92bb134db4902c7d371ec3371351d8ec2dbfc2ec7d6249fa4614aeaf0454
- 05 L c786f0c022214ae17a9506e7c85481d29bab000a8ec462697a0ecebc68cda589
- 06 L 614523d50ba1aa811759338cfa1711d32c8517fa5a2e529c55c480906b9ae8ce
- 07 R f10349f790d9fa426a7a7e4224af10dbf63f51fe44c97cd38190df2e9f7072e5
- root f2905cd375186c5a6abf3d341ed3cd0e910164355e657c38bd8ddf84f23b1549