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 EDUCATION - SCHOOLS DIVISION OF TANDAG CITY Award a ₱1.6M contract to JTA BUILDERS/KIOKONG CONSTRUCTION AND DEVELOPMENT CORPORATION JOINT VENTURENational agencies
Transaction hash:
8da9f7a76304de2b5be026adb467be6ddb6bb18ece0f2675107af6f75721b312
Status:
Included and unchanged
Block:
#4,218 1,795 blocks after it
Position in block:
Transaction 57 of 109
Award day:
Sep 9, 2020 (6 yrs 2 mo ago)
Value:
₱1,638,885.99
Project:
repair and rehabilitation of classrooms
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 #4,218 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 EDUCATION - SCHOOLS DIVISION OF TANDAG CITY awarded it to JTA BUILDERS/KIOKONG CONSTRUCTION AND DEVELOPMENT CORPORATION JOINT VENTURE on 2020-09-09.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 8da9f7a763…21b312now …
- 2. Block Merkle root changedstored dd4778de2d…740c5anow …
- 3. Block #4218 hash changedstored 4c28b11980…48dcd4now …
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 108 records. Each step hashes the current value together with the sibling shown.
- leaf 8da9f7a76304de2b5be026adb467be6ddb6bb18ece0f2675107af6f75721b312
- 01 L 8cf4a682831a8399ce0869c067b149c2e4e07f08c1c1e1305455990e375fd64b
- 02 R 0e89c12537f1f4b0696228be8133a4abbb1dc1f4428682a9006677031c33c1f9
- 03 R 132d673dfe34383a30c12e803ef5961666340c0a61ae8f50c66f8a8048252293
- 04 L ef58c8218631b99ba4636762580f169042b76555a8de398150065ed29e2db2f7
- 05 L a0a6983fbfd5ae689640b82677d6e0c58fd1298113abc9a2d96389b6dd77ac37
- 06 L 932483960fa9a00f9cc1c8e6103694c4439b1f7abc0e1a1033ac70e40d054b98
- 07 R 9865fc46c3886f17c50995f0ed169f66f43406cb6655c27d80b0f058f0e3803f
- root dd4778de2d7693127014ce202b3f90f870ec9f8b7e951b6f24d361f984740c5a