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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 - CAGAYAN 1ST DEO Award a ₱853.1K contract to FOUR M BUILDERSNational agencies

Transaction hash:
a5b4cdfaec11abe876e09df8e19ab141adbd32acabab4097e547b9c68f6aaa20
Status:
Included and unchanged
Block:
#4,177 1,836 blocks after it
Position in block:
Transaction 146 of 215
Award day:
Jul 29, 2020 (6 yrs 3 mo ago)
Value:
₱853,085.56
Project:
20BB0133 - Repair/Restoration of Masical Bridge Ap

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 #4,177 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 - CAGAYAN 1ST DEO awarded it to FOUR M BUILDERS on 2020-07-29.
    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   a5b4cdfaec…6aaa20now      …
  2. 2. Block Merkle root changed
    stored   a28cc3d1a8…79bcf2now      …
  3. 3. Block #4177 hash changed
    stored   fe9aa17a52…55e8eanow      …
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 214 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a5b4cdfaec11abe876e09df8e19ab141adbd32acabab4097e547b9c68f6aaa20
  2. 01 R a60fbe8abbe7b9d92575ee8c860d596cfc57c13808b441a100f4030c95dc3d8b
  3. 02 L aa4de875dc12348521d2fabaae76714f46a1280bd24232cbe0ba58a5816602b1
  4. 03 R a8e4a63a5fc1ec610311733072f2bab9f3e757da3f04cb30fc8d90631a580580
  5. 04 R 867eec35e7dfe248c6a1b3867be43aef60dff05c2d9722fc2261d925535cf255
  6. 05 L c2a497e0d2a696200191f6ca19b4e8e5ac696413360738c29f332188814d1a3c
  7. 06 R 029bd75de7bbf8b8cdde8f86bd199b18289ac6b12c2bb9b8b8ab2aaabc5ba1c8
  8. 07 R 8c5c5b061db807fb781699ef062d6cd994e72c1821b9a90c95b9b95dbb09231d
  9. 08 L 948159b044121a8b9f506e0be8a852e567d99fd04c844dc36af8a7be9690a943
  10. root  a28cc3d1a892f8588b784a4ff791d1a5818d686a20f40aa6560bb810a879bcf2