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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 - REGION X Award a ₱176.0M contract to MONTAÑO CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies

Transaction hash:
c08d15afd403dc7aae8bdaddce86d9d784bde5bd7c584b1cc7ed62a5eca28356
Status:
Included and unchanged
Block:
#3,072 2,941 blocks after it
Position in block:
Transaction 292 of 379
Award day:
May 10, 2017 (9 yrs 6 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 #3,072 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 "Regular Infra - GAA 2017 LFP", i.e. the FY2017 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 - REGION X awarded it to MONTAÑO CONSTRUCTION & DEVELOPMENT CORPORATION on 2017-05-10.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17K00400: 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 2018-05-18). 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   c08d15afd4…a28356now      …
  2. 2. Block Merkle root changed
    stored   d612d7ad3a…746561now      …
  3. 3. Block #3072 hash changed
    stored   f04f506fd4…04cbc1now      …
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 378 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c08d15afd403dc7aae8bdaddce86d9d784bde5bd7c584b1cc7ed62a5eca28356
  2. 01 R c09fd29499d5b3dbb39e827e23665685a88192065aa41c863a6c417db96958dc
  3. 02 R f97181520fbca2f1a07a01e6a47b60fd5e39cfb3a72bf7f680027b951108977d
  4. 03 L 465eb1233127bafb92bf855a51074a9f134aa49ac6fda69f73c223a464c29edf
  5. 04 R 912d7c50470d99d524d98e693b07f279fa8214f07fe1649a7d5425c1437a302d
  6. 05 R b87869044d907b4a7b4eeeeea3264a8fadb7b71c323904672e5c1143dab12f4a
  7. 06 L cb7953e964a842ea8e1939c184ffa292db00de00ed31fe8c637763c1a14abb9a
  8. 07 R 9d18f13eebcabf6c58433d7df534f9284eb95285276b6f52a526ba46a8e1f63d
  9. 08 R 539820162b0470f54fb8f8139a5c72c5482a2807bde4ca45379a3dde284db37c
  10. 09 L 89e2ce5bfa4b6a562c87a00d43d9743421765956759509f109da6b0b639f0372
  11. root  d612d7ad3a0372fef9328f6ff8c20163622e95f0ae3d2f7451fd33f497746561