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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 BATAAN Award a ₱4.5M contract to NBZ ENGINEERING AND CONSTRUCTIONNational agencies

Transaction hash:
ea4fd3e367498b87b39707d3dc7eeeb1db5a27fa57d26d026e008329c20fcd8b
Status:
Included and unchanged
Block:
#4,506 1,507 blocks after it
Position in block:
Transaction 386 of 419
Award day:
Jul 13, 2021 (5 yrs 4 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 #4,506 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 NBZ ENGINEERING AND CONSTRUCTION on 2021-07-13.
    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   ea4fd3e367…0fcd8bnow      …
  2. 2. Block Merkle root changed
    stored   0721b6020e…71eed0now      …
  3. 3. Block #4506 hash changed
    stored   5484aba143…e5e011now      …
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 418 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ea4fd3e367498b87b39707d3dc7eeeb1db5a27fa57d26d026e008329c20fcd8b
  2. 01 R eaf7d474864407c6e745d2bea9b09da2b3ef970b94a24f4c234c479be6e3a986
  3. 02 L 1467664190c57b42c60abb571d3857175d04c23eb8ef1f88497559982bcf7a29
  4. 03 R 4d5253f4cf1935fe5b532d23700239ea975b09ec291c038a773f0988db17770c
  5. 04 R 71df0e39a9a8bef11af2f7b4ab059f38d7e3c3163e4bf219d72478c1755016c2
  6. 05 R 485edbb0c030857aa7179e6433feb287e451f9258964e70c872da47f9f8aba31
  7. 06 R e8b25b3667a57c1131795e9033f64f94d3ce3a594cdbd7f18799d300e8aa14b6
  8. 07 R 2b544277feaacdd1f1357d6e214f0fc836392acfbdb024d7f32fc692550cd8a9
  9. 08 L 4b593eadc654138a96ab46ae00504dc299fb5558928383c62f6c428eba6c5f4c
  10. 09 L 1c1be720cd8e190ad93238f102c7a32cf4286090a757025ea09df202490048b8
  11. root  0721b6020e7ab9c359f3b4e015e8eee0bd6c576d0e97c4ac1cf0d1a49071eed0