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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 - NORTHERN SAMAR 1ST Award a ₱1.9M contract to MIK AND MEL CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
d446359451e092bb3eb1e4e39171d6c06639b308b194278b8f123edaa4bdfba9
Status:
Included and unchanged
Block:
#4,371 1,642 blocks after it
Position in block:
Transaction 249 of 302
Award day:
Feb 23, 2021 (5 yrs 8 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 #4,371 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 LP", 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 - NORTHERN SAMAR 1ST awarded it to MIK AND MEL CONSTRUCTION AND SUPPLY on 2021-02-23.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21IH0035: 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 2021-05-14). 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   d446359451…bdfba9now      …
  2. 2. Block Merkle root changed
    stored   2a0e270b6d…9c5be1now      …
  3. 3. Block #4371 hash changed
    stored   2dd1fdfd0f…c03fa4now      …
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  d446359451e092bb3eb1e4e39171d6c06639b308b194278b8f123edaa4bdfba9
  2. 01 L d3d39d694571f03edab9ea561d6a318d4c523ef8c8f1c8a4fce12c87d06a7649
  3. 02 R 041f2e8a58c5b0920961f8463e0d8f09ecb3a74d406a77e1c3cb69a0a8403fbf
  4. 03 R 29288f1e4ad50dea9d6b27b7535054bc674153a3a3c4cfb58eccafaef5ced41c
  5. 04 L aabe6f51e5be7ff07be870808fe12eb383e38cb4cab313f11ab2eb6445f6aa5f
  6. 05 L 8c8c7135c346284dba94c75d780fde8f936da89f09c1253532f3a8b1913a49ab
  7. 06 L a4d0c565a49dbbf7e77151562618140527659a8ce8eb6dec5c1ad143b6aedacf
  8. 07 L ab8fc265fc00c9ac011e0a00af86bc40179aeea2821b8831e6fcb90cf8477f24
  9. 08 L 9e4686a5628870508ce779ffccb9a2988c7c16bc7c7ba638f03eff63fed5cf99
  10. 09 R c6791f64ed65ac76781daffdc5253cbf659e041588c3a97b7c121f503bb5c9ac
  11. root  2a0e270b6dbdfd5f8e3d15092f7e012bb47b05fafd4a74fbb39041cca19c5be1