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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 - BATANGAS 1ST DISTR Award a ₱1.9M contract to RICH ADS CONSTRUCTION CORP.National agencies

Transaction hash:
de520fbfc82c8ab74d4cc6260983beb98b1a1c5e8d282a6569467fef23e98788
Status:
Included and unchanged
Block:
#4,238 1,775 blocks after it
Position in block:
Transaction 336 of 400
Award day:
Oct 1, 2020 (6 yrs 1 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 #4,238 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 - BATANGAS 1ST DISTR awarded it to RICH ADS CONSTRUCTION CORP. on 2020-10-01.
    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   de520fbfc8…e98788now      …
  2. 2. Block Merkle root changed
    stored   63c58808d0…e29a0fnow      …
  3. 3. Block #4238 hash changed
    stored   38e5b5b6d6…8c5b83now      …
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 399 records. Each step hashes the current value together with the sibling shown.

  1. leaf  de520fbfc82c8ab74d4cc6260983beb98b1a1c5e8d282a6569467fef23e98788
  2. 01 R de79cea7f9be3732795bc405717e34cffcdfd3e4a739fe3f26e5dd570df24af7
  3. 02 R 62ae0a108716fcfa3dfcb383ccabcbfbe95b29c3361be4dfb49b9df31a1f384e
  4. 03 R 91ede9c69f2a9ed57fda159f7ea2c703b10d5ddac2cb12a0b7a7c48fb0a66c45
  5. 04 R c75cf60465d6582c9594bfca735436c61e643cff3de19accca73f885a3ee917f
  6. 05 L b530a590adda5a572575c543c07e6ea159b1aac4b5f49b78aaa44ddd067f868b
  7. 06 R 1690b1e6b4b2c854853423b9e55a460c937b60fd103c0a6f8dc1b6f5be6ef6fd
  8. 07 L dfa56ae52ac3c160215e6fa227071f9f496c0c3233f72ab06671bb7f6ce440c3
  9. 08 R eb0e30a27273787a0ff28363f4f574bf5851309f07fb41f2863afce04e552797
  10. 09 L f023beb010708ed3aaadfba21ef6e26a188d919575fe6a3b474f1c1d831cba41
  11. root  63c58808d0cb9aca9f42a865914899f55a5a7992f67c9b305f2b4d7f99e29a0f