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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 PUBLIC WORKS AND HIGHWAYS - PALAWAN 2ND DEO Award a ₱4.8M contract to SAMURAI CONSTRUCTIONNational agencies

Transaction hash:
41f12cc77caa3e6e86f5a7ae24cfc198892c3c0a9632f4c7271aab64ad964e72
Status:
Included and unchanged
Block:
#4,750 1,263 blocks after it
Position in block:
Transaction 269 of 1,061
Award day:
Mar 18, 2022 (4 yrs 7 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 #4,750 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)
    DPWH lists the funding source as "Regular Infra - GAA 2022 OO-1", i.e. the FY2022 GAA. The exact UACS line is not given.
    Partly
  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 PUBLIC WORKS AND HIGHWAYS - PALAWAN 2ND DEO awarded it to SAMURAI CONSTRUCTION on 2022-03-18.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 22EF0092: Completed, 100% physical progress.
    Found
  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)
    DPWH marks the contract "Completed" (end 2022-07-05). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 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   41f12cc77c…964e72now      …
  2. 2. Block Merkle root changed
    stored   8d0e79a087…d0bb51now      …
  3. 3. Block #4750 hash changed
    stored   9787b2a173…350aa3now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (11 steps)

How this one record is tied to the block's Merkle root, without needing the other 1,060 records. Each step hashes the current value together with the sibling shown.

  1. leaf  41f12cc77caa3e6e86f5a7ae24cfc198892c3c0a9632f4c7271aab64ad964e72
  2. 01 L 41ea14672521ff26a0f6e2d57854982aba73ee7e0752687fa34cb23f51143668
  3. 02 R f5ff7a12315a2a1c87c79380c65bbdf29fa489213946fcee0e33edb84185d769
  4. 03 L c1d08fbea5e963ed40e75c9f54bcf3fadab904493873bfdbe08fb6e8c12be611
  5. 04 L cf6991516de4d80d4ac632b2941927bec0a50a8cb26c6cf15c7ea60422e1aeb7
  6. 05 R 003c2763a4dfd4d393907a1b991c397d5189df820523d92de25b04062188daf3
  7. 06 R 89881e67a5acc8bcbc5512e2a0349a6abc12a0c8499105c8a07b40c9626927a6
  8. 07 R d1dc0a97bef9310a725ee643bc1f0c2915eefecfac1f096bd8c298ba634a012c
  9. 08 R 91f34ab04ca9a8c1efd731f96b08f18878f06d51eccbf8843248e7aa03143426
  10. 09 L 0e6282f2c255e3a69df387fb3438e93f695609f4dfc68973ba777b817265bcba
  11. 10 R f3531867551a15b5f8b57e06ede565523ef147e73d5aca2e2e430cdc9f9f9f22
  12. 11 R fc68fe2395e70e525a605c9c692b3ca2b48448d1aacf32c7e05715148fbf827f
  13. root  8d0e79a0874a46f41910b5d1f5c4b9578dba532a18e7f2a49d49a01703d0bb51