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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 - DAVAO ORIENTAL 2ND Award a ₱2.5M contract to MAER SUMMIT KONSTRUKT CO.National agencies

Transaction hash:
89b2ba67d7d8acc9d2bba1546c11f825921e2b06d84d111bc0c98ea6c1132a38
Status:
Included and unchanged
Block:
#2,698 3,315 blocks after it
Position in block:
Transaction 444 of 798
Award day:
Mar 23, 2016 (10 yrs 7 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 #2,698 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 "Outside Infra - PAGCOR Silid Aralan FY 2016". 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 - DAVAO ORIENTAL 2ND awarded it to MAER SUMMIT KONSTRUKT CO. on 2016-03-23.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16LG0027: 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 2016-07-29). 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   89b2ba67d7…132a38now      …
  2. 2. Block Merkle root changed
    stored   e89f2edf19…c10c37now      …
  3. 3. Block #2698 hash changed
    stored   ac5bbf00fd…ed32dcnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 797 records. Each step hashes the current value together with the sibling shown.

  1. leaf  89b2ba67d7d8acc9d2bba1546c11f825921e2b06d84d111bc0c98ea6c1132a38
  2. 01 R 8a225d81b4c91a4eff3be028b6b48be06ac5b7726ed46c1c05e34318b29521e8
  3. 02 R 92f1c3a049b42bde28bc18861a320d720da700b95405dab2879fcf2bad979ef8
  4. 03 L 12a1b2e938385037017bfdb7a4ad0a1a214c92447a5fe9aa1629e34515c7a23d
  5. 04 L ed09770d9058128e2481706ec0e4390a77d31a4a79f482fbf4a61e9d6224f2fe
  6. 05 L b6427a93b566257fece06a9974b330baf98119085de630d08d32a12218178620
  7. 06 L ae6311f65db33bc7242d363fc78fdc76bf2f4dd8dd235ef1a6abb2872e9d9b8b
  8. 07 R 059c274f8388c8a27ce967ef6f6244aad34ddf1bde77d5bae1d7f44802878ff6
  9. 08 L a7e806c148861de5a41be217c4af5ffb6fdbea6997e062d1ac364ce6df4314b3
  10. 09 L b08f9645a287ec1a43f67e14d3b1bc9e03ad9764823e6dc62bdc9b81002a2967
  11. 10 R 2ce9dc2a8dcbaaa1e5c3f57d7f3074449279f56fcb4fa8c258db3d2c96bdeae7
  12. root  e89f2edf1932e51b2bcba32fdf26e3abcd9475e8b38d78ecc91cfe2427c10c37