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 - DAVAO DEL SUR 1ST Award a ₱3.1M contract to JJAL CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
e4a6741e2408e01920640e55ce3892c9cb414d1b8a30261a3320f8d4cbe6d3f5
Status:
Included and unchanged
Block:
#1,857 4,156 blocks after it
Position in block:
Transaction 124 of 138
Award day:
Sep 9, 2013 (13 yrs 2 mo ago)
Value:
₱3,054,923.55
Project:
13LD0029 -Cluster XIV Const. of Water Sanitation
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 #1,857 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 - DAVAO DEL SUR 1ST awarded it to JJAL CONSTRUCTION AND SUPPLY on 2013-09-09.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 e4a6741e24…e6d3f5now …
- 2. Block Merkle root changedstored fbf6487bf3…d33e69now …
- 3. Block #1857 hash changedstored 28d25bab6a…c75905now …
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 137 records. Each step hashes the current value together with the sibling shown.
- leaf e4a6741e2408e01920640e55ce3892c9cb414d1b8a30261a3320f8d4cbe6d3f5
- 01 R e5d3366258a0e19c3ff22c160ab69e36a26ff0de4caed7e4774fe443c38be8be
- 02 R d6bf020976ef5eb6e4388e0102e9a0cf58d0eb8117ec55f90676ddb7f4799ec0
- 03 L 9b549e925a05513894d4bea2785be198541e7c3d6748394cc6be6d304cd63c72
- 04 L d24f91d35fb9807d9309a24b84adb65e4c07b7da385fa8a76842dbc47e14013a
- 05 L e4c36c700c2b953ea4effb685adbf20f3a23ba1fec8121cc1cde4fa5dcbc9e91
- 06 L 23bc3ecbc46b2a9c8360e8f7b2d77c3d6290214cd6f2622c11e14f0d51c046e5
- 07 L 8c57c8847e02b103e198c57e8eeb8dece6664df50da86d2e97d58057b8116311
- 08 R e83e02b77647232daa3c0d625220d0aa9934007958d689021b21b702c0d5c26e
- root fbf6487bf337cae1d42a4785e0f885d62862449bb9eea9c435a958240fd33e69