Skip to content
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 TABONTABON, LEYTE Award a ₱2.5M contract to R. YAO CONSTRUCTIONMunicipalities

Transaction hash:
8d1a756c975bc06db0d9cc25806f483e3427de2ffb63eb9a04c81b15fbf13056
Status:
Included and unchanged
Block:
#3,934 2,079 blocks after it
Position in block:
Transaction 146 of 280
Award day:
Nov 11, 2019 (7 yrs ago)
Value:
₱2,494,537.76
Project:
Construction Project

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 #3,934 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 TABONTABON, LEYTE awarded it to R. YAO CONSTRUCTION on 2019-11-11.
    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 Tabontabon 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   8d1a756c97…f13056now      …
  2. 2. Block Merkle root changed
    stored   fcd21c48f1…1fb922now      …
  3. 3. Block #3934 hash changed
    stored   171f1bdef7…8d169dnow      …
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 279 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8d1a756c975bc06db0d9cc25806f483e3427de2ffb63eb9a04c81b15fbf13056
  2. 01 R 90540455b948d76b879d05a1db89d17521529d0928cad66e5842b1967ef5f987
  3. 02 L e71e1399f6ed25c83d40acbb7bcfc12a167ad4d3c696e2c0dee7208477a66df5
  4. 03 R ec3a397ad8cf47a2618e600b812295737a4d7a0a96f0d73818c151eeb072f3b6
  5. 04 R fe47b5a57e36b4b9b4234ffe2114d7613341fdde0c4dd23c3e1df14abc624f1d
  6. 05 L c5952b8d8e2b3b24c2341d9c917ea42b95de58fde06c276296ad514bc85785e9
  7. 06 R a3eacba0aae388feb51b49284eb57bf7db4fcb60b0dfc54f95d93c5a9fd5851f
  8. 07 R 3dafa96f025f213d5ddb71ce9c855b8450fd2182fef5d4286c14768d49a81c05
  9. 08 L c7b68fee6f8fc56a3cad13027bfa8d9b0aca38283564eaf5d89bd8501f1069e0
  10. 09 R 70df2c25c5a732b3b91b1b81c7a74b6a6e0f9d409408513e87376724a7b3be26
  11. root  fcd21c48f1c2e63b9f31b5aeb69ddcd772262511627f3436fc0eaa87821fb922