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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 - MARINDUQUE DEO Award a ₱3.5M contract to SAMARAH CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
258315e92df45bfebbb92bf72e72848523f98efa0fdb56d174acbbcdc15fc7f3
Status:
Included and unchanged
Block:
#5,415 598 blocks after it
Position in block:
Transaction 71 of 514
Award day:
Feb 13, 2024 (2 yrs 8 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 #5,415 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 PUBLIC WORKS AND HIGHWAYS - MARINDUQUE DEO awarded it to SAMARAH CONSTRUCTION AND SUPPLY on 2024-02-13.
    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   258315e92d…5fc7f3now      …
  2. 2. Block Merkle root changed
    stored   8991516cc8…2503fanow      …
  3. 3. Block #5415 hash changed
    stored   b16e71d09c…512ec9now      …
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 513 records. Each step hashes the current value together with the sibling shown.

  1. leaf  258315e92df45bfebbb92bf72e72848523f98efa0fdb56d174acbbcdc15fc7f3
  2. 01 L 24bc9e2b98fcae51985400eeaaa2601f2f87052337ac69a8525c58ff435b4d0e
  3. 02 L 964f24f18200ae4d93460eb378048d83b426a324b6a291363b3e967b4c777bef
  4. 03 L 3264bc746fcf1be22ccc38438745d2e72655019b47499627e503e3845612bc11
  5. 04 R 969271bfd9460c6590cdfcfa947303a54f697cc8b26b70e5b1e2ce09d0165863
  6. 05 R e666fa2c0f38c0baa01b308f872d4cb5b366b4822de8b8d5e69f819d15d776b2
  7. 06 R 50fcd17cdecbf0d53d367a721966a4bca98e02a7a38fbc22f8c137d8004eaff8
  8. 07 L 736bb7fb3ad4e14aa465cb0e9f6a03bdefc8cd77c701df8b614da9a8ba13a4ac
  9. 08 R 16e5127f5c338af05b28d5ed465932df1aab57a45b38a61f9fc6923566733701
  10. 09 R 99063ed39b85221462c80d1a07ae3564c3ecadb25edfcfc8ae8512defa69e68e
  11. 10 R e23052401a4e15e77a2529505536def6721b226f9a12107454ce1036532c5c85
  12. root  8991516cc8c2a3035bf7f8b2d5b7c3036277977e2bb0f42c2e23b3f40b2503fa