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 SAN FERNANDO CITY Award a ₱19.8M contract to N.T. TULABUT CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
8b55ef0cbcd6f1e28b9dca7e684b2fc1e1119d1a27b752f7d934fd546c9186b0
Status:
Included and unchanged
Block:
#3,507 2,506 blocks after it
Position in block:
Transaction 101 of 178
Award day:
Aug 17, 2018 (8 yrs 2 mo ago)
Value:
₱19,760,702.09
Project:
CONSTRUCTION OF DIVISION OFFICE BUILDING
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 #3,507 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 SAN FERNANDO CITY awarded it to N.T. TULABUT CONSTRUCTION & SUPPLY on 2018-08-17.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 8b55ef0cbc…9186b0now …
- 2. Block Merkle root changedstored 7b04c82888…e7e011now …
- 3. Block #3507 hash changedstored 74789711d7…11460enow …
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 177 records. Each step hashes the current value together with the sibling shown.
- leaf 8b55ef0cbcd6f1e28b9dca7e684b2fc1e1119d1a27b752f7d934fd546c9186b0
- 01 L 89e2c34b963e4989c9c0ee7f49470265fc5736801ff17d21ea343264a1236caf
- 02 R 68aa4341b1252033dcbd54e1b54410e63e0d73132856ba4481b313d8fdf3aeea
- 03 L 2874dcdd25b0555ddfee75d5c9497acdac772894eeaef950ac5094b593d9f2ff
- 04 R 32829f5d6bb335ac1067edce5c822e732cde89173c55582b1c22c9f44e5c52fa
- 05 R 73253b0d5457cda15aaa9940e9acc9f2f4ff4a2436897191a0f3fa6af42dd63d
- 06 L 07483646e9c7e3d72b5a05bb8e1e6d937d9b09bbf649cc0ae6272f67146828fc
- 07 L 600acef1f05a463f64b588307fc8c2ffdb291c0d9ea527fca1215caf798e69c8
- 08 R 2b4084309bd88d43ba78cd9c3d6237fdd0b8062024b6ac8f9d300f4c91b5d0cc
- root 7b04c8288803cc0a7375e8288c028b3ee3686aa05486fab90b6b8e6dc0e7e011