Skip to content
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 BATAAN Award a ₱4.3M contract to R.Z. TIGAS CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
b2bf67212aefb672fb89907649ed2ea7b4b068fbfb5aa2a9dc5929f15b24fd90
Status:
Included and unchanged
Block:
#3,960 2,053 blocks after it
Position in block:
Transaction 232 of 353
Award day:
Dec 9, 2019 (6 yrs 11 mo ago)

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 #3,960 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 BATAAN awarded it to R.Z. TIGAS CONSTRUCTION AND TRADING on 2019-12-09.
    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   b2bf67212a…24fd90now      …
  2. 2. Block Merkle root changed
    stored   a5c5c8a607…1506f9now      …
  3. 3. Block #3960 hash changed
    stored   44de4da4ce…9b969enow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 352 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b2bf67212aefb672fb89907649ed2ea7b4b068fbfb5aa2a9dc5929f15b24fd90
  2. 01 R b2e93ae9826be5a7029624a9f544ebfc9ab9b604e46a0d79c6774ecd69a198f7
  3. 02 R 1efb794f8c0d58f323a34143aa31b9509cc7a433e67caff87376edde716206bd
  4. 03 R 4de0d80c6ec1fb975bcaee3044df857fff77755acddb0227f7aabc13e840599b
  5. 04 L d23f6b9971a7b0d0c9a286f007779783b00c4dbca762c702d1eac14051ef61a1
  6. 05 R 93d6dc2d0969268189fae79cfb93d8ae43aa87d3a31ced4c5f48e02db263ea6d
  7. 06 L ff5cdd97a48b064012a8d016313969c2b7ffa8829771963a586dfb92a7d33bc4
  8. 07 L 779246f4bc27547c101dc8f0849ddb61b2b5950944146f695d2e4ff8064c4f9c
  9. 08 L 3d7d9b88dad38660361bf3dbf74ddfff430d3dbac475b142890e558edb298ffe
  10. 09 R 62d0d9c6475ae177660d4909efc202aceb78e0843f60f4fb655622add95f9155
  11. root  a5c5c8a607200958569e4ffe22420b89c8c9430ce039f53f1bbde258c81506f9