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FY2026 GAA: ₱6.79T
PisoScan
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

API
Transaction 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

Accountability

Bill Sec. 3 and 19
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. 1. Appropriation
    GAA line item · Sec. 5(b)
    The award does not say which budget line pays for it.
    Not published
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice 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. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   8b55ef0cbc…9186b0now      …
  2. 2. Block Merkle root changed
    stored   7b04c82888…e7e011now      …
  3. 3. Block #3507 hash changed
    stored   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.

  1. leaf  8b55ef0cbcd6f1e28b9dca7e684b2fc1e1119d1a27b752f7d934fd546c9186b0
  2. 01 L 89e2c34b963e4989c9c0ee7f49470265fc5736801ff17d21ea343264a1236caf
  3. 02 R 68aa4341b1252033dcbd54e1b54410e63e0d73132856ba4481b313d8fdf3aeea
  4. 03 L 2874dcdd25b0555ddfee75d5c9497acdac772894eeaef950ac5094b593d9f2ff
  5. 04 R 32829f5d6bb335ac1067edce5c822e732cde89173c55582b1c22c9f44e5c52fa
  6. 05 R 73253b0d5457cda15aaa9940e9acc9f2f4ff4a2436897191a0f3fa6af42dd63d
  7. 06 L 07483646e9c7e3d72b5a05bb8e1e6d937d9b09bbf649cc0ae6272f67146828fc
  8. 07 L 600acef1f05a463f64b588307fc8c2ffdb291c0d9ea527fca1215caf798e69c8
  9. 08 R 2b4084309bd88d43ba78cd9c3d6237fdd0b8062024b6ac8f9d300f4c91b5d0cc
  10. root  7b04c8288803cc0a7375e8288c028b3ee3686aa05486fab90b6b8e6dc0e7e011