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 - REGION IV-B Award a ₱88.5M contract to M.R. VARGAS CONSTRUCTIONNational agencies
Transaction hash:
9b657d94c8a49b95ecb335248bb6c113d90da303f2bf3af2500cd248977554ee
Status:
Included and unchanged
Block:
#2,379 3,634 blocks after it
Position in block:
Transaction 65 of 113
Award day:
Apr 15, 2015 (11 yrs 6 mo ago)
Value:
₱88,491,772.22
Project:
150000000000000
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 #2,379 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 - REGION IV-B awarded it to M.R. VARGAS CONSTRUCTION on 2015-04-15.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 9b657d94c8…7554eenow …
- 2. Block Merkle root changedstored 7b3c4b9e7f…668c98now …
- 3. Block #2379 hash changedstored 935785c538…08425bnow …
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 112 records. Each step hashes the current value together with the sibling shown.
- leaf 9b657d94c8a49b95ecb335248bb6c113d90da303f2bf3af2500cd248977554ee
- 01 L 9b1925e9a53fa3e1127b70751036707c458c47127b47e9eb09f32e4319d48104
- 02 R aefb168232cdc531a1bd3a45e3635da3bb3fcfccf3fe50ff5626c88435df3f0c
- 03 R 539a9b3d277a1139ccefa2632c7067188e478b2a4822bc4b1f5a6f6d892ea6f8
- 04 R 8362a9c310d28a65f5cc857f008611bb100b879129694aacf97958c9e0e0de31
- 05 R a9b4fbdcd4f3798099c4d065da8c31f9752212c71353e970c8b8508198f04391
- 06 R 550fd19ce73e6b360e54ed7fb687fae8508aa135ea909cff6dd0fcc6d5b98d12
- 07 L 417336eb3f989c489cff318a3a89ad3f7bf2975b90a2db7258a6303102a54d94
- root 7b3c4b9e7fe9b1d71898580ff3bd94c093fe12ae6a9b187dfc2437053c668c98