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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 - NORTH METRO MANILA Award a ₱7.8M contract to BLACKRAM BUILDERS, INC.National agencies

Transaction hash:
35bdbddce67b6fe12270df83baa4627a0e21bf855e1a2dd915ede4f92e174e21
Status:
Included and unchanged
Block:
#3,076 2,937 blocks after it
Position in block:
Transaction 52 of 268
Award day:
May 15, 2017 (9 yrs 5 mo ago)
Value:
₱7,786,318.30
Project:
Local Infrastructure Program

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 #3,076 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 - Flood Control: Construction - Drainage (e.g., Closed and Open Conduits, Spillway), Roads: Rehabilitation - PCCP, Water Supply (Level 2 & 3): Construction (Piped Water with Communal/Private Water Point)". 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 - NORTH METRO MANILA awarded it to BLACKRAM BUILDERS, INC. on 2017-05-15.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17OE0049: 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 2017-10-25). 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   35bdbddce6…174e21now      …
  2. 2. Block Merkle root changed
    stored   174a124299…2344b3now      …
  3. 3. Block #3076 hash changed
    stored   d340d4ee8e…049c74now      …
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 267 records. Each step hashes the current value together with the sibling shown.

  1. leaf  35bdbddce67b6fe12270df83baa4627a0e21bf855e1a2dd915ede4f92e174e21
  2. 01 R 36515f2d976b423589da8cbae78e1c55bd1a7d4715cccf910d9f7acf7cd7788f
  3. 02 R 2a4a9e658dde20605dd326f91e9d5fa36339e12e12d25c0e3d01f3ab8b722362
  4. 03 L 9f5010d7aeda9dc5edc4df1ea83384715c953584cb10693d922936ab34320fb3
  5. 04 R 1611a4906474ddf528259fc3c96a671a0429dc607e4411ca65ab7f1f6bb88328
  6. 05 L 5e9162c0d7a7ab7b0b4752afab0c00ae35124b8c5bfdde096e47c364ba061de6
  7. 06 L da5afe704022b37f95e29a888cfef8de003bd142e05bc4f8d9da6498b901aff8
  8. 07 R 9a1b05630eca251cb91b9b06450da014e6d1fc9fa99c93e45516b64a01867423
  9. 08 R 979754bdfab32d69bfca348b795ac1ce241e04e2d5d60f580422967624cbb404
  10. 09 R 39b2e95ffa59c25641d2f9eb9bfb341624e66db78c7a679538cc18b5a47401d7
  11. root  174a12429902d30b5433fc21f999aa7eaf94b230886ebb51eda3533b012344b3