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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 - COMPOSTELA VALLEY Award a ₱14.2M contract to D.B. RAVELO CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
fbf97f0ca30d37861e51bfc7c30cdf414253e8d2eaace15c2ea2a9f86f0195eb
Status:
Included and unchanged
Block:
#3,777 2,236 blocks after it
Position in block:
Transaction 453 of 461
Award day:
May 31, 2019 (7 yrs 5 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 #3,777 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 - COMPOSTELA VALLEY awarded it to D.B. RAVELO CONSTRUCTION & SUPPLY on 2019-05-31.
    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   fbf97f0ca3…0195ebnow      …
  2. 2. Block Merkle root changed
    stored   e5f811acea…176436now      …
  3. 3. Block #3777 hash changed
    stored   850366fc6a…dd8029now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 460 records. Each step hashes the current value together with the sibling shown.

  1. leaf  fbf97f0ca30d37861e51bfc7c30cdf414253e8d2eaace15c2ea2a9f86f0195eb
  2. 01 L fbde5e86b12f640912d6a942efb26cae4bbdfe6684e2eec14dbc0939e26c0acb
  3. 02 R 34b2d4d40fa638bb6e26a65de36478518e071616cd12424520a7cf337a51a918
  4. 03 L eaabd8115b2a77472a9584a5d97202e04cf9a797cfbf7675bf074143ee94c9a6
  5. 04 R 1e82531eadcbf5e132da6071f7415bd6fcd863b23bf3a563e4a2a099ee031f3a
  6. 05 R 7b477f60e234c38adb617945ef5673a7bd070f3c4dd5f7ed1fab8c3666106c79
  7. 06 R c6d24f70a2b44a4886153a0200208bed37b1a560bafc37f56f23162cd8b9e5dc
  8. 07 L cfb817575c622271f2026229cee65dbc28451092b3a6ec0fc2dd5203284776c3
  9. 08 L 9d6ee7ff723a9c0e747289c45dbee2f18364e69eea16834dc6136ef631c8538f
  10. 09 L 6e0ac6428e32587d362cce669d2a2d9a3bbbcb81be3701034c31b0def533955f
  11. root  e5f811acead69472110adf1ce875d210cd58cadfc048bc69d829d5d537176436