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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 ₱23.8M contract to MAER SUMMIT KONSTRUKT CO.National agencies

Transaction hash:
daa06eece0ba578ea1fbe6de279839f7be3907e9672128f616fe78be1cb8f693
Status:
Included and unchanged
Block:
#4,398 1,615 blocks after it
Position in block:
Transaction 267 of 302
Award day:
Mar 23, 2021 (5 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 #4,398 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 2021 OO-1", i.e. the FY2021 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 - DAVAO ORIENTAL 2ND awarded it to MAER SUMMIT KONSTRUKT CO. on 2021-03-23.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21LG0081: 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 2021-11-22). 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   daa06eece0…b8f693now      …
  2. 2. Block Merkle root changed
    stored   385a9af342…1e1a17now      …
  3. 3. Block #4398 hash changed
    stored   87938c6a3d…5a36c7now      …
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 301 records. Each step hashes the current value together with the sibling shown.

  1. leaf  daa06eece0ba578ea1fbe6de279839f7be3907e9672128f616fe78be1cb8f693
  2. 01 L da6e1da264be028ff733fbce952023cba1d899bb6a8a2163c203ebe715265013
  3. 02 L 7b1b154fac126a8768a4aaf02634aef6ab8c93f3ea3aa5f87a6860c3171b8275
  4. 03 R 4b91fc348fbc7b612355682594a82395907761a0abe1fe6322e3d250090b815c
  5. 04 L 8f6c5e37d8eb541ab4af81c079f79a4aafd8661f4c49b5d0f0547a134d14cf9d
  6. 05 R 34e8362db9c9575202774cc7d9f9618df71afe34d51289e950870482587401f9
  7. 06 R c80a19f4f3b595418b94d636cc3840d2440509d27567bc6e5521ac426cf38752
  8. 07 R ed282c4bff4743ea64640a720693f525465e9405380616e6bcf8fa975329502c
  9. 08 R 50502ee5031ce551b9e59544fcf76ac79787246cc99d902fa32cd33ed904d3c3
  10. 09 L 4ad77633d5a17175ccf546a5935cbda2ed6ce808abfd1db07748eca1e72a4956
  11. root  385a9af34211ccdc1deb2ab2647308770ae7557e0110e6cf8bc28d1b391e1a17