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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 - ISABELA 4TH DEO Award a ₱1.1M contract to CASAN CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
828dcb5952ceabe7db3af75700411827aad2da62a46b0762cecfc3ffea622d29
Status:
Included and unchanged
Block:
#2,865 3,148 blocks after it
Position in block:
Transaction 75 of 164
Award day:
Sep 30, 2016 (10 yrs 1 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 #2,865 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 - ISABELA 4TH DEO awarded it to CASAN CONSTRUCTION AND TRADING on 2016-09-30.
    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   828dcb5952…622d29now      …
  2. 2. Block Merkle root changed
    stored   ae27bf56b3…2ef83bnow      …
  3. 3. Block #2865 hash changed
    stored   5f261a76c4…ac4e70now      …
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 163 records. Each step hashes the current value together with the sibling shown.

  1. leaf  828dcb5952ceabe7db3af75700411827aad2da62a46b0762cecfc3ffea622d29
  2. 01 L 821b57cf5345a9001d1c718e3d68c8ba26e50d4749fba8b29c01155d194b07ed
  3. 02 L c514f39d760e6a6670bace4db2aad8e9c77ccf03c330432be2550d7516d0ce58
  4. 03 R 1b0742dc64f30bc6901479ef88e4e2ad933d44544bccbd643d2dfa6d8d63a1c6
  5. 04 L 3afe09c70d501d752680f5a776b1212c7839e9d898879b904600a3ddb0096b0d
  6. 05 R 36d0b7f4de063aa4820b773009027e82d561dcac2144d29b1e41ae2152904906
  7. 06 R 6b6f6e2c90b6c273ba3c1e03cdc541be28955377e878510fc6319a5e18253ac5
  8. 07 L bd81c3c7c082959e894c30f9dc476f180e2fbbe8957b3853c4924cf52e3aecaf
  9. 08 R b7da13e073ba0cb92e0a11d2c8000f76742b1ceda8d0da52e65b862956f80d07
  10. root  ae27bf56b38f33a104fe89c21a9c6dc7721e6fceb267975dc1d44b218a2ef83b