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

FERNANDO MA. GUERRERO ELEMENTARY SCHOOL Award a ₱98.4K contract to SHERF BUILDERS CORPORATIONNational agencies

Transaction hash:
39d7e4792bc92a2e0217bc99109575c5fee4bb5f77b039e2cc415499719a2c49
Status:
Included and unchanged
Block:
#3,711 2,302 blocks after it
Position in block:
Transaction 111 of 549
Award day:
Mar 18, 2019 (7 yrs 7 mo ago)
Value:
₱98,353.00
Project:
FABRICATION AND INSTALLATION OF FIRE EXIT AT 2ND FLOOR AREA

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 #3,711 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)
    FERNANDO MA. GUERRERO ELEMENTARY SCHOOL awarded it to SHERF BUILDERS CORPORATION on 2019-03-18.
    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   39d7e4792b…9a2c49now      …
  2. 2. Block Merkle root changed
    stored   17c0a4d51c…d1c242now      …
  3. 3. Block #3711 hash changed
    stored   d51df648cf…905a01now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 548 records. Each step hashes the current value together with the sibling shown.

  1. leaf  39d7e4792bc92a2e0217bc99109575c5fee4bb5f77b039e2cc415499719a2c49
  2. 01 L 39428824e7d0927dc7afa016d0309dad0dc8f4ffc1cdac1946223bd76f54198e
  3. 02 L 44e0d0e58233754483870dd27f33a90aafa431631ef2e0adc7aeaec1b781b0ac
  4. 03 L ed24c271aa36f18eb468d1bde02ff9d4a871169a653bf9805c5956a70bc0da84
  5. 04 L 4009790e0b618c0b66bda0a1d70c65fed783076948f680f61367f2b8328b0664
  6. 05 R 76cc1d7132ebbeeb975d463fe7420fbc7ec6e56e8ece198ea82fac8df65f024d
  7. 06 L a73eaed34ab5bd21f32a624734b3f110fd4b1857a0ec3734f9b2db83660277fe
  8. 07 L a834fb2c382390859df54cda90c7772f11029e6ab5a2e1f10ff39242ad57e7e4
  9. 08 R f07c4449eb2e9f08c798a8746b6ecbfbf14695d52dfe8980bb6995a7cf9c022e
  10. 09 R f277f88e5944d3f6b1221d6c711806d984c6e69b707e10f1f48546afe9babe17
  11. 10 R 35321fcfaf8c7c3d0dc499546a1b997c233216add8627bbe5f09dc20bab4510e
  12. root  17c0a4d51c0a90325e960f9cd0a3f3e4319115d92c0f0b4a717590879fd1c242