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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 XII - COTAB Award a ₱4.4M contract to MEGALINE BUILDERS AND SUPPLYNational agencies

Transaction hash:
8d51a78a63a751dc528b68e2b2a1e1b6aa45bcd8a29001b397ce16614c822af9
Status:
Included and unchanged
Block:
#3,420 2,593 blocks after it
Position in block:
Transaction 130 of 259
Award day:
May 16, 2018 (8 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 #3,420 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 2018 LP", i.e. the FY2018 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 XII - COTAB awarded it to MEGALINE BUILDERS AND SUPPLY on 2018-05-16.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18MA0027: 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 2018-09-10). 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   8d51a78a63…822af9now      …
  2. 2. Block Merkle root changed
    stored   ae2e766c9b…bb3bf9now      …
  3. 3. Block #3420 hash changed
    stored   2f046e3e87…2c0cebnow      …
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 258 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8d51a78a63a751dc528b68e2b2a1e1b6aa45bcd8a29001b397ce16614c822af9
  2. 01 R 924b192566fd8d119779573cecfebdeb0e3c67963300c74b3119b74c36089e7d
  3. 02 L 21ae062349d6702d09b5e1d23bc53912e72a6b23218735bd9ec883e72a515236
  4. 03 R 8a2cfdcd1ca69167542ca6c1faa88a11a6902163d9f05a18a6b5c79251da9593
  5. 04 R 6196d01ac3e3276c2651ed76141db6b7d433cb8cd663ee571aac6bc5e043058e
  6. 05 R 0cf79062892c2f01760fb291cdc30666169e7b445512b450ca24033c7a8e389f
  7. 06 R 045ed666566ac1c774272a59aa0ee55f7d9c43ac229eebd7391c002960c2c803
  8. 07 R 884381a5c56b20fe8eff2748a874da8d7624cacc5a9da1a839542f2b73c64901
  9. 08 L affc8a04f13548f3ec92b41da2d62f73ecdc320fd98790d52e0fb6aa92f63605
  10. 09 R 77eb48a1b6ccfc7f3689817640a65c7a7ea5e0056b8865e0c113b337ee598cb6
  11. root  ae2e766c9b1583b954e2197de94fa44b588c6b7b6fbc7a122ee7db03dfbb3bf9