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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 ₱969.7K contract to TUBIGAN BUILDERSNational agencies

Transaction hash:
c0fa31f854e33cd4e34ec7f62aad00f9a4e162165b70eae57228465355814f4b
Status:
Included and unchanged
Block:
#3,439 2,574 blocks after it
Position in block:
Transaction 157 of 197
Award day:
Jun 5, 2018 (8 yrs 5 mo ago)
Value:
₱969,715.01
Project:
18IB0173 - Repair/Maintenance of Main Repair Shop

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 #3,439 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 - EASTERN SAMAR DEO awarded it to TUBIGAN BUILDERS on 2018-06-05.
    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   c0fa31f854…814f4bnow      …
  2. 2. Block Merkle root changed
    stored   255fe455b4…eed335now      …
  3. 3. Block #3439 hash changed
    stored   72eec7f057…3c3151now      …
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 196 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c0fa31f854e33cd4e34ec7f62aad00f9a4e162165b70eae57228465355814f4b
  2. 01 L bc52eb9444e85641ee810b92fe3c6305efe85ec6129d6a27ea780fd44b75af22
  3. 02 R e31dfa1caec6e2094d0f3dcf43a61a793f3fbc205d626a8fe2546537e8513357
  4. 03 L 239f33d6ca0824a969b97b0466fdc2ab9133d08bc6170905e5287565ee411661
  5. 04 L 4378a8e3ce84606f17d85c233d05f7b2b3ffec38e78d2e8495b313cd7a8dae8a
  6. 05 L 7299927ddef31ed48f1f42aa0177da3e7d46a6d825add28bf943d5ac078130e8
  7. 06 R f8e9f4643826bba3a287278c37fc95b3ee405044c07555909a5548fee0d0fd21
  8. 07 R 59ccf4ad1a724c4f4c6af9243706c82514962c9646a0d58c9be019c3b1990313
  9. 08 L d67904ab5613825bc5087b0cbb83c03bcbf803bc80656ca0ba60d89f9ab357ff
  10. root  255fe455b4b8c11ee7bd9239bc5719c174bd80483ee69d77468d65ba27eed335