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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 - SAMAR 2ND DEO Award a ₱18.7M contract to FRD CONSTRUCTIONNational agencies

Transaction hash:
645c321eff205d64a786abcdec0c5f9849f180b8edea75f751fcdd50a14abe43
Status:
Included and unchanged
Block:
#3,401 2,612 blocks after it
Position in block:
Transaction 89 of 204
Award day:
Apr 26, 2018 (8 yrs 6 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 #3,401 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 2018 Other Infrastructure (CSSP)", i.e. the FY2018 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 - SAMAR 2ND DEO awarded it to FRD CONSTRUCTION on 2018-04-26.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18IK0049: 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 2018-09-04). 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   645c321eff…4abe43now      …
  2. 2. Block Merkle root changed
    stored   d143197d4e…c27d38now      …
  3. 3. Block #3401 hash changed
    stored   292325d384…a3bf96now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 203 records. Each step hashes the current value together with the sibling shown.

  1. leaf  645c321eff205d64a786abcdec0c5f9849f180b8edea75f751fcdd50a14abe43
  2. 01 L 644718089513db5c3701eddc57f12ce7533ad67e27babc164c69c92ed1b69e27
  3. 02 R ce65b08e48afc7516c2ac61b2ce9b3a13b5de5f2b74d7146b17084a2f985bc2f
  4. 03 R 4e14c1cab3285e08a602b02e45c442c55f381448a422fff13585588f668b5476
  5. 04 L f9323839444c154c285ed88559c068c9a683a3adddf2358f3787d9f3366c6d55
  6. 05 L ac7952506bd4a42c494c1b2f5a8dee8df4571dbd1d6a9d6796767cb29c790610
  7. 06 R 50b4ff51919f44f5de4e384a792d06119789ebbb22ff77e75e879f7707e0f409
  8. 07 L ab92123a063c7d56accc4cb5aa1aafc9955987eddae5946a3283b5adfa8e45cd
  9. 08 R e718101d6ece64beb7199b2b92e63c312a31502eed501bf9a329c673417da5e4
  10. root  d143197d4e3813cecd59e4f5c8aa3fd68267a196961f74f3141e235370c27d38