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 XI Award a ₱3.2M contract to R. SEMILLA CONSTRUCTION AND MARKETINGNational agencies
Transaction hash:
ef6f987129ffa343bb4d795b4f66b219f6e00d62a0f2d1e3cec308a47f74c6e6
Status:
Included and unchanged
Block:
#3,149 2,864 blocks after it
Position in block:
Transaction 153 of 166
Award day:
Jul 31, 2017 (9 yrs 3 mo ago)
Value:
₱3,182,486.26
Project:
17L00186 ROA, NOA, Contract & Notice to Proceed
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 #3,149 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)DPWH lists the funding source as "Regular Infra - GAA 2017 MFO-3", i.e. the FY2017 GAA. The exact UACS line is not given.Partly
- 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 XI awarded it to R. SEMILLA CONSTRUCTION AND MARKETING on 2017-07-31.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17L00186: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2017-10-10). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 ef6f987129…74c6e6now …
- 2. Block Merkle root changedstored a12d8750fa…ff2c47now …
- 3. Block #3149 hash changedstored 292f6ed56f…22a095now …
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 165 records. Each step hashes the current value together with the sibling shown.
- leaf ef6f987129ffa343bb4d795b4f66b219f6e00d62a0f2d1e3cec308a47f74c6e6
- 01 L ee72dc842831335af37292ea3d13f1f0695d845659016a19e907aff9a0a576cc
- 02 R 0b2b24ca8e50f2f1aef7aa17b813be7ba277e33653c43439972f5d642c5eaf12
- 03 R f683708e825a17e9c0fbef66b9f76e643a851a8b54c00680f4dd340920244049
- 04 L b992599cea44fa356feb51f961da6db9d703db185030c4f3421580561216f009
- 05 L 2a97b8a309b49b66d5d283c6a221655c79325a11302c64c6a5632a5b61084aa2
- 06 R 5b82db463cc02a2183467687cc1917a19896718796329f7d949d57c7ed88c30b
- 07 R c1ad5bd6dd0f41ede7a1e2a0bca3ab789c3bc5587f30f6750e42b6bdffef13ed
- 08 L f3d98a152ae9b60a003944cf3c1287a3bf8aaaa3e8cc54e1136046ef4ec78b2f
- root a12d8750fa59d1ead8bf99f555c71acd137ed0469d0037e66d9835417fff2c47