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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 CITY DEO Award a ₱3.4M contract to DISEM CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
db92aa6fb81d4e2a3b4594abcbd0b6fa395c186c2315381e5197d5a620c03fc7
Status:
Included and unchanged
Block:
#4,404 1,609 blocks after it
Position in block:
Transaction 396 of 459
Award day:
Mar 29, 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 #4,404 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 - DAVAO CITY DEO awarded it to DISEM CONSTRUCTION AND SUPPLY on 2021-03-29.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21LB0063: 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 2021-08-30). 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   db92aa6fb8…c03fc7now      …
  2. 2. Block Merkle root changed
    stored   db4b7cd350…fd0a7cnow      …
  3. 3. Block #4404 hash changed
    stored   1d5bc126e4…75e7bdnow      …
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 458 records. Each step hashes the current value together with the sibling shown.

  1. leaf  db92aa6fb81d4e2a3b4594abcbd0b6fa395c186c2315381e5197d5a620c03fc7
  2. 01 R dc225bb2c5c53d3fa20573f167f76e79b4d16c4f6f502ab392f29571f58fa55d
  3. 02 R 848d3158cfaa7a8cadd3648465eff9583ef83c68c15012dc0e1ff4b716607a27
  4. 03 L 58ce98dd8c4a2518b36138bcab45d3a40430e5a289b2ea11d6ad93d927e8af89
  5. 04 L 8b17fa9061d6e83c67cdb816157d2988afc85d1340b34d35eb867ed9ffa28a18
  6. 05 R 77807937a19bce128b4c2bd04f81daf567be3a0cab93bb1e1db090c8d742c2aa
  7. 06 R cc65208eca8b696902bb1b8c4321363e68afa4a63d2a070cf4d2011dcde0cd25
  8. 07 R a97efdf17a78cca1c961e0060e201c09b2473486365260e8d2bfd82dbf5d4015
  9. 08 L fe82daf98aa9140a39b9e2793cdd29398c7da64a430e8ff9b4e8890cb6a9ebea
  10. 09 L c8ef6a999944f02c457eb5428341c804c05cd2a06b72b5ec078561032faef6d1
  11. root  db4b7cd3507a0d780dc315e46a9914674a82e3e53409f4b59fe98d8a14fd0a7c