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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 - EASTERN SAMAR DEO Award a ₱4.9M contract to TUBIGAN BUILDERSNational agencies

Transaction hash:
2c815268f17cab3dc0f573ff23881a802a5c1654e6821e8fedd623d26fd64232
Status:
Included and unchanged
Block:
#2,811 3,202 blocks after it
Position in block:
Transaction 16 of 133
Award day:
Aug 3, 2016 (10 yrs 3 mo ago)
Value:
₱4,901,720.38
Project:
16IB0152 - Construction of 2-units, 1-STY Workshop

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 #2,811 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 "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 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 - EASTERN SAMAR DEO awarded it to TUBIGAN BUILDERS on 2016-08-03.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16IB0152: 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 2016-12-19). 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   2c815268f1…d64232now      …
  2. 2. Block Merkle root changed
    stored   be9dcec4bb…438f22now      …
  3. 3. Block #2811 hash changed
    stored   5b24eb5091…07f30fnow      …
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 132 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2c815268f17cab3dc0f573ff23881a802a5c1654e6821e8fedd623d26fd64232
  2. 01 R 30265938d6a96c6d171ac2279b7157768efd1fb4d71d70f74860efd1e8e153ff
  3. 02 R d2cbac0f7bd8acb0c4f6d08b8602eb14d291bea78f830bdaa03e0565fdc4d042
  4. 03 R 4eb79dcdf8f28c7de95f7a2a7a1eddcce4eac964307e8eb6c1e1cefae98cfcd6
  5. 04 R ea63395305036e5315627604a207e3e06dc6d2944370ad0d68dd505f17625980
  6. 05 L 39fe6e39c81208603dee3338724ef27a70b7eac541380d45da18ad23234e59ec
  7. 06 R 1938ed0ad319d3f236b8da498696b370b07680a4d38f6b3ac8a6e75d6c4dc2af
  8. 07 R f7cd079682e85c6f4d1646f473bf08f417246235544c418ba3a96ddd0a09be1c
  9. 08 R 41b484618a3c79eec9c292406f4685d7a64afe1e91ad11804914276c7a4e7f8f
  10. root  be9dcec4bb4249f66878b15405cc8f31648596f68f1403cc66d785fdc9438f22