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 - DIVISION OF MANDALUYONG Award a ₱3.3M contract to TRACSOM BUILDERS INC.National agencies
Transaction hash:
62d23bbdfdd162699cbb78025887d1c71088869d865dc9b0e2c4aba4978c09e9
Status:
Included and unchanged
Block:
#2,495 3,518 blocks after it
Position in block:
Transaction 88 of 242
Award day:
Aug 20, 2015 (11 yrs 2 mo ago)
Value:
₱3,318,269.00
Project:
Repair and Rehabilitation of Classrooms (Cluster 6
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 #2,495 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 - DIVISION OF MANDALUYONG awarded it to TRACSOM BUILDERS INC. on 2015-08-20.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 62d23bbdfd…8c09e9now …
- 2. Block Merkle root changedstored f8cbb1c6e4…382f86now …
- 3. Block #2495 hash changedstored 7d33525f94…c2bdc9now …
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 241 records. Each step hashes the current value together with the sibling shown.
- leaf 62d23bbdfdd162699cbb78025887d1c71088869d865dc9b0e2c4aba4978c09e9
- 01 R 63f32ea30699df7ece5fefcd9a504ec0632e286b8380cbe54c19897f2ce2a428
- 02 R 88331223016ab965d80d010c4d5eabcfdce4efe08ae30c8538e85708954e1f26
- 03 R 8a86672ff1b40782ea8e1c535ca92fcffdbe2c11dd02e2edc6025f359cda1887
- 04 L 0ce47ff5b7551454a04b89675643646f8fa1623788d0c716b61cb7c936b66fe1
- 05 L d99dafc0aca42859abff7f3e55f17dc7f109a2df244b11645cea52073be0503a
- 06 R c1a0d967f8eedeb0929d8eef5163605e58a3205445c139076bb7d268ca2c8c3e
- 07 L 05a5ce48d4f524b1bbaf3dceb340fdfad9c7566ecde296b3bb1f772ba0dd3ad3
- 08 R 0559b968de3c314b38c76bfa7f8dfd1cd4451641ab4032c9d57fec08ec5495dd
- root f8cbb1c6e496d0879cd96d4d15713d5ec8bd7f4857544115ad65489d36382f86