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
UNIVERSITY OF THE PHILIPPINES - VISAYAS Award a ₱8.8M contract to I.D.A. JR BUILDERS & CONSTRUCTION SUPPLYNational agencies
Transaction hash:
a97d225e2cea5e87f4a83fcf79cc65871815fe78563e7def36d564dcf6e90c05
Status:
Included and unchanged
Block:
#4,352 1,661 blocks after it
Position in block:
Transaction 123 of 185
Award day:
Feb 1, 2021 (5 yrs 9 mo ago)
Value:
₱8,830,533.10
Project:
Campus Repair and Improvement
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 #4,352 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)UNIVERSITY OF THE PHILIPPINES - VISAYAS awarded it to I.D.A. JR BUILDERS & CONSTRUCTION SUPPLY on 2021-02-01.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 a97d225e2c…e90c05now …
- 2. Block Merkle root changedstored ae9c90e88a…0b9082now …
- 3. Block #4352 hash changedstored ece2c5e38e…9362b5now …
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 184 records. Each step hashes the current value together with the sibling shown.
- leaf a97d225e2cea5e87f4a83fcf79cc65871815fe78563e7def36d564dcf6e90c05
- 01 L a957f097372f34cb14594ddfe60c97ec97ceb7bdfe2394ca8a390245a1c2cf63
- 02 L 5392c0057a627df56ea8f50cd85378c61612bc3a306f8b550dd2c7e70eb0d774
- 03 R 0f35b3eb7c3040a4fbf0f57a67d0a48c4ac6251ecca4c9b219ffc6a13a09c1c2
- 04 L c8fe5ae9cb5e62196259fc5c9c50c5fa88278d09dd6515436c2c3ad58673e2e1
- 05 L 9332d43808de3846fc0e5e07783ad6c755b66b2eba2c1ed32912156f893da143
- 06 L 523386ce9e6c7e5a580d3199e9c57c4a8818d4fee49015c208e89f347880196f
- 07 L 9e887891ff326c69f54b840bbade34ff53f8803c570194752d0e080ccca9439e
- 08 R e33e3fd94739465276fc77fd1ccca8a8d0a2a25cea235220d0f0e8c8ce34da42
- root ae9c90e88ae77a3f4051cc6d67d2c8397230f91c9043f7fe8b1c49419f0b9082