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 ₱950.1K contract to SAMURAI CONSTRUCTIONNational agencies
Transaction hash:
21ade0bf366f2a7496a8cfba3eecd7a6e7128c745d9e99c1bb8e1da6634c24f4
Status:
Included and unchanged
Block:
#1,955 4,058 blocks after it
Position in block:
Transaction 62 of 461
Award day:
Dec 26, 2013 (12 yrs 10 mo ago)
Value:
₱950,054.02
Project:
129999999999999999726538033215711254580217847467469463140162813922606663858348513015561895474767576923222573056
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 #1,955 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 SAMURAI CONSTRUCTION on 2013-12-26.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 21ade0bf36…4c24f4now …
- 2. Block Merkle root changedstored c53a4b58ed…e78fcfnow …
- 3. Block #1955 hash changedstored 786bbaa6ec…fa6599now …
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 460 records. Each step hashes the current value together with the sibling shown.
- leaf 21ade0bf366f2a7496a8cfba3eecd7a6e7128c745d9e99c1bb8e1da6634c24f4
- 01 R 227c5bb92577a1ef8595971466959da044cf2467ceb7a2343491fe44ab77b5ab
- 02 L 885e3e787869cd419d52f4195036e5494b20ab858463980792d2d119b8ebd1b4
- 03 L 40136c3fd1402d20b5351c2f2153007d59b34f89e43f3f5d272e576118eff2a7
- 04 L 93ce5a5e60c7e93a3ceb69f449f827839985aa413bc076017994c92d171243a9
- 05 L e902c300ca2d25f51afeea6ed3561f8d246b597741954087431bf73d087ca7e2
- 06 L c16947f78ff822f9ed3ce65cb8a8ed54e2b21ae2e6ca87c2dc9298ab42b7f389
- 07 R 86338f9fd4d2f8b8adedd52938f71e50c97d8803613e9c6e249f81beefe8936a
- 08 R 23aadc1c56e8254f3c5ed7d35d4ec2f874a55818cd054b73b4055d82c1497d6e
- 09 R 63bebc6fd7636841fe118857cd05b21c5f41802481c8cc4e696cdc31bfa32d86
- root c53a4b58ed0f2479289a37d222f632915645efb696c9d9030ac2715bb7e78fcf