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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 - SIQUIJOR DEO Award a ₱3.3M contract to MUAÑA CONSTRUCTION AND DEVELOPMENT CORP.National agencies

Transaction hash:
8cdf9ad9be135bf8a552cf3e65769c5d2ba700d699b1485e0a2a6e9f60688bf1
Status:
Included and unchanged
Block:
#4,460 1,553 blocks after it
Position in block:
Transaction 155 of 243
Award day:
May 26, 2021 (5 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 #4,460 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 - SIQUIJOR DEO awarded it to MUAÑA CONSTRUCTION AND DEVELOPMENT CORP. on 2021-05-26.
    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   8cdf9ad9be…688bf1now      …
  2. 2. Block Merkle root changed
    stored   acd68b91e7…c471a0now      …
  3. 3. Block #4460 hash changed
    stored   3c3c14ec64…8e6e09now      …
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 242 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8cdf9ad9be135bf8a552cf3e65769c5d2ba700d699b1485e0a2a6e9f60688bf1
  2. 01 L 8c6c1d74d8ada49c1d8981d50c412b9b13349a69175d5c03bae6c24792124f3c
  3. 02 L 367bc2594a6352079d88aa017c82c14ea67b8ff0c754de01e8390f0930ad4813
  4. 03 R 220c4cf37f999af9ac29123c161e469cb2f762a317351a78c7237cb25bf4b23b
  5. 04 L 03a9ca1c1d68c2c8028818e10a6e0d4ae281fd39bfba4ed991bd61703d4fad80
  6. 05 L 753754420213696a5f033ffb782e75ec2c9f611cc220f6a02cf543f450406a96
  7. 06 R ce511ac1cce2984c5aa78011fd9c32fc9cbffcf874dc7e6acf63f2b323ac1c53
  8. 07 R 3035ef5e7acadb23804edb26221f5aca5c109d0f234379978843c7f8ae908dd7
  9. 08 L ca9cbdcc2d2542da70e619395e081f3c54aeeef7b646f7a53546d2d523e30208
  10. root  acd68b91e7048ae8ca383d0ac4741e0620f5941977370d1a4ea4317b83c471a0