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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 - SOUTH METRO MANILA Award a ₱18.2M contract to ARKY CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
ea4482dd02c58cd852a89966d2dca49cf721e5e0c19ef582028f6cedf67adfa7
Status:
Included and unchanged
Block:
#2,479 3,534 blocks after it
Position in block:
Transaction 257 of 282
Award day:
Aug 3, 2015 (11 yrs 3 mo ago)
Value:
₱18,194,785.36
Project:
15OH0058-Retaining Wall,Cut-Cut Creek

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 #2,479 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)
    The award does not say which budget line pays for it.
    Not published
  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 - SOUTH METRO MANILA awarded it to ARKY CONSTRUCTION & SUPPLY on 2015-08-03.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   ea4482dd02…7adfa7now      …
  2. 2. Block Merkle root changed
    stored   06f6735f87…2766cbnow      …
  3. 3. Block #2479 hash changed
    stored   8839262f2c…fa3109now      …
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 281 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ea4482dd02c58cd852a89966d2dca49cf721e5e0c19ef582028f6cedf67adfa7
  2. 01 L e68eb57375131afe14db17aee4d486514320008dac598a35232a393c761742fc
  3. 02 R 43dc7a5fe08807dda0ebf148c3b4cabb72ca4ea4e7b33e1f2f1c791671042296
  4. 03 R dacb7dcbb7f843614f3105a31632aad7e112945eb0a8e9c2d6cbc267c2159888
  5. 04 R 3ff9a3ce9fba11723f5b1ca5ca01ec1bd6888e7235f88fa3fce4140588a577e0
  6. 05 R 901c62b5eba096402039e6504ed7eedd3086b5f56475d5e1bcc03bd7e5f97cbe
  7. 06 R 1013a5ecfd71095336392a2184feb1e9f79eb8cd0824715cc29ef25f46f9ec42
  8. 07 R c29f0a2862db3d739eecfd63eef8a261e2e945bdd94444c4bebf9855832c3089
  9. 08 R 606cb8f501c17df47685c1cdc64761b4d3598cf2486b46131d846d2ad8cb47e0
  10. 09 L 752a7aab4d5f5851a914c860c9db65eb7f1c44313bf22f19c2842ccca0687e98
  11. root  06f6735f875fba6d9ea6f228970890778f4a003d8af0ce5dcb5bdea5b02766cb