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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 ₱4.2M contract to VB MANUBAY CONSTRUCTIONNational agencies

Transaction hash:
f45a19ed63b7b59b3100ffcc26b7ba5266275ae7ede6f12c54e5a1e7e4ad4870
Status:
Included and unchanged
Block:
#3,231 2,782 blocks after it
Position in block:
Transaction 266 of 282
Award day:
Oct 27, 2017 (9 yrs 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 #3,231 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 VB MANUBAY CONSTRUCTION on 2017-10-27.
    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   f45a19ed63…ad4870now      …
  2. 2. Block Merkle root changed
    stored   49b58c8af3…07986anow      …
  3. 3. Block #3231 hash changed
    stored   73006be330…879b32now      …
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 281 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f45a19ed63b7b59b3100ffcc26b7ba5266275ae7ede6f12c54e5a1e7e4ad4870
  2. 01 R f4834e35a78c27b0897d5073c461f41c2ed3bc96da55c2d1edc8dc910069f425
  3. 02 L b973a5095b2902c3fc5dbd2dea8b7eced60f179d42697b302f01d81ccb1b72b3
  4. 03 R da803ebb576514ed20a545b2e17a6328413062b048fb63ab376054421ebb0fda
  5. 04 L 15141531c05aa25f269b7d9ccac0059732f22a83e80c172fee6166ce7b0a44d5
  6. 05 R 660cbaf0656aceeda26d16d34e47f96bf51d779af387460ff21d1c99ee6799f8
  7. 06 R 7bb21ce548f1ac3d53e73a9cbf734a8f18f20acb24e978f1d8668448efe1392a
  8. 07 R c804804e44289ebca35163a6616274600dd53649fa09b2dbc694c1b5fd1e211d
  9. 08 R 9154aeb1063f4d77a9203ffd93517fa5897c30e4e581e8aa9c5fa9dc9376afaa
  10. 09 L 583173005155bb438c84dc41e67c87a4f9b9a6b018d554e32fb352f50f948cd2
  11. root  49b58c8af35640f22c49876ec5abd19b4ddc841f2ec0bf9fdc3b87204d07986a