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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

MUNICIPALITY OF CATANAUAN, QUEZON Award a ₱1.8M contract to R.T.Y. CONSTRUCTIONMunicipalities

Transaction hash:
8501e42e19db7ad6a074222e566faf5df16ca79c748431096edb31825bb33f18
Status:
Included and unchanged
Block:
#4,459 1,554 blocks after it
Position in block:
Transaction 122 of 254
Award day:
May 25, 2021 (5 yrs 5 mo ago)
Value:
₱1,790,302.40
Project:
Concreting of Local Access Road Brgy MSS

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 #4,459 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)
    MUNICIPALITY OF CATANAUAN, QUEZON awarded it to R.T.Y. CONSTRUCTION on 2021-05-25.
    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)
    COA's CY2024 audit of Catanauan gave a "qualified" opinion on its financial statements (not specific to this contract).
    Partly

1 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   8501e42e19…b33f18now      …
  2. 2. Block Merkle root changed
    stored   2712709c3d…9ce817now      …
  3. 3. Block #4459 hash changed
    stored   7ac0eba462…25d99enow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 253 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8501e42e19db7ad6a074222e566faf5df16ca79c748431096edb31825bb33f18
  2. 01 R 856c3d08acdd8f5db36e45074857b44ff2b6f2c2482c72fe62297e5b632c1f8c
  3. 02 L 93b8b24546b1c6756a19b61cd19b320b40547870c9430078fd372f7b95d89c7d
  4. 03 R 0b08a4322cec284caa4d8d599050d550e7058e44f5eb03944d6ec851568d10c4
  5. 04 L c14b1cc1cf169743263e36204d03e80f5d9e3be16712ea34b66d3b1c7dad42d5
  6. 05 L ce9955af402eb4402ece3a2ebd7a6023b7faafc0734a721653fc8d0c3782c929
  7. 06 L 56edb8b206bdbd44a70619712dfae72203b63b509672959fc5a35891a1d9a8d3
  8. 07 L f87294260fa45b1bdf40be7248aa18aca500162da40a1908f5118c4d69197a48
  9. 08 R be44334313f25721c65d8e874ef49596d6c79b065974fcb5bb183b4c618bd85e
  10. root  2712709c3d597baddaaac69b757fd800d611978238c60efc2f98f0be1c9ce817