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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 Award a ₱7.2M contract to TANGCA CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
874930ff3500ce9d8ffd8aec561a8dda4c08206ff63daf42d2f589beb7098187
Status:
Included and unchanged
Block:
#5,706 307 blocks after it
Position in block:
Transaction 159 of 298
Award day:
Dec 9, 2024 (1 yr 11 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 #5,706 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 2024 SSP", i.e. the FY2024 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 awarded it to TANGCA CONSTRUCTION CORPORATION on 2024-12-09.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 24M00127: On-Going, 47.1% 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)
    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

2 of 8 documents found, 1 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   874930ff35…098187now      …
  2. 2. Block Merkle root changed
    stored   da1116bf3c…e16df0now      …
  3. 3. Block #5706 hash changed
    stored   58e5115491…1d2859now      …
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 297 records. Each step hashes the current value together with the sibling shown.

  1. leaf  874930ff3500ce9d8ffd8aec561a8dda4c08206ff63daf42d2f589beb7098187
  2. 01 L 86fb5ceea17331a515a8d553aebf6539cbe333b9cbaa8ce6277db5cd4c534dc6
  3. 02 L da077ad1e1e56e0997f976fef038be29f261417f5a72bbbbe0ea8c2bdde77190
  4. 03 L ee12e93f8e455fb5d0270babc643f071367e4837369a21427e76f0f3acaf584b
  5. 04 L eb328098dd9fc7cef54604bc00bbe22b4de4494abf0d030a1dd7379e3827cea2
  6. 05 L 1062cf2fe8851b372412d3ba919aabf16a8a18be0752ed42cd851f93233f0b5d
  7. 06 R 3d86646b5e1a6c878f109ed0f8edb2274014fc3c3768e1b83aed1016e1e96695
  8. 07 R f96a7ebe3ea176cec0d9d3ab68f4584f2fcbab1bb64d85352bb5b99016e32a14
  9. 08 L 0802c1d8ebe01f7d10998388eedd06a73b12412fd2cca4af12193af5d5dd41f0
  10. 09 R af2ba0a98f4f8f777753cc14bd4ad0e9e5499df888d222569b85c86b75dbd000
  11. root  da1116bf3c822d9659d8985fbf4339db09190116331542201004e47abae16df0