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 - CAMARINES SUR 4TH Award a ₱1.9M contract to LDN BUILDERS AND CONSTRUCTION SUPPLYNational agencies
Transaction hash:
6106642c8e47a3bc4e705665dc5075dd8980286b8b2e6e329fceea56c70f4cba
Status:
Included and unchanged
Block:
#4,017 1,996 blocks after it
Position in block:
Transaction 155 of 390
Award day:
Feb 6, 2020 (6 yrs 9 mo ago)
Value:
₱1,876,621.02
Project:
20FN0020
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 #4,017 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 - CAMARINES SUR 4TH awarded it to LDN BUILDERS AND CONSTRUCTION SUPPLY on 2020-02-06.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 6106642c8e…0f4cbanow …
- 2. Block Merkle root changedstored 996b4fefa7…545a88now …
- 3. Block #4017 hash changedstored 538acb6e56…2d70eenow …
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 389 records. Each step hashes the current value together with the sibling shown.
- leaf 6106642c8e47a3bc4e705665dc5075dd8980286b8b2e6e329fceea56c70f4cba
- 01 L 6093f9e494dd04362012d4e3cf8f3e1cc1ee86a855c487e928208ef582a1cb05
- 02 L 9f28c7cd7f7070aca7f4d4cac0f6e360746c55b5f34f3831d759e9685deb0ffa
- 03 R 21b3533b04f6453798043e949af499988641d6b17b1452ab1fa82f38db2cb1d5
- 04 L afd34d953ab14fc78c701881acb438168ca6dd36020fa96a4c73da62e6629a2b
- 05 L 4d7c29874c36dc869c87893994b230078e8a9a739c58d02353c9f181283d160d
- 06 R 5c1eb0905e1ed2827ccd49dfe4af78e7e87cf7797279698c459da06c421897d4
- 07 R 9f44f05029887dd4920814742bfb4a5321ae80ef11429eaf91a58830ef78e21a
- 08 L bb22c13f7641c706bd90fb5574c5159f39eeca6c6f75affa43f6244588327eb9
- 09 R e68bb6c6b432fd3b7ffd5cc6c9eac81a178a9ae130741f6894ed49ae050046f6
- root 996b4fefa76317e311915c83071455b1d0e2931c337a1cbd270ce05f09545a88