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 - TARLAC SUB-DEO Award a ₱2.8M contract to TESSA CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
0545f36dd3ad09cd8be04a16608c509d150c5737008383df9446552a01ab1d00
Status:
Included and unchanged
Block:
#1,805 4,208 blocks after it
Position in block:
Transaction 1 of 71
Award day:
Jul 17, 2013 (13 yrs 3 mo ago)
Value:
₱2,848,273.01
Project:
13CK0057
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 #1,805 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 - TARLAC SUB-DEO awarded it to TESSA CONSTRUCTION AND TRADING on 2013-07-17.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 0545f36dd3…ab1d00now …
- 2. Block Merkle root changedstored 44618e78e9…e8dda5now …
- 3. Block #1805 hash changedstored 6b6d8567bb…bccef3now …
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 70 records. Each step hashes the current value together with the sibling shown.
- leaf 0545f36dd3ad09cd8be04a16608c509d150c5737008383df9446552a01ab1d00
- 01 L 036b724bd2370228aeec0593cd60f1cf32810fb712d5b9b26a76bb7214d57787
- 02 R 352eec8ccd3500410a98a7b5eae82f32c2b5eecc88b71b19d4aff9ce29e1073b
- 03 R 566625086cbc8285ced9b8fc234a37a24634a26404e3cea4beb34ab91b22b1b5
- 04 R 61642e5026f7fb12de6cb2317fecb6e7857d871b55fde082faa174f330d49445
- 05 R 86a5fb8aa9c47b47e6a54d74b8c467faa034b42aa61653bcf46a2bb028993708
- 06 R ff2e7173ffa2f04d206cbcccf819078b55ca13435d28a41554dcb0f69844a688
- 07 R 82711b45dd5928ebc4c4b946f60545db9b86ac39fb01fb025726fbfcd53d4790
- root 44618e78e9cddee92a3b6a2e10528f5f054b6fc0463a6ee53943e9e43be8dda5