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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

PROVINCE OF BENGUET Award a ₱1000.0K contract to TANGAYAB CONSTRUCTION SERVICESProvinces

Transaction hash:
8d8bceea658250dd77b1fe7f5de595ec9e57b74ca42bc4424228f924d176d807
Status:
Included and unchanged
Block:
#4,802 1,211 blocks after it
Position in block:
Transaction 173 of 304
Award day:
May 17, 2022 (4 yrs 5 mo ago)
Value:
₱999,999.00
Project:
IMPROVEMENT OF JFMR LLPB - LANAS - TABA-AO - SUMIL

Accountability

Bill Sec. 3 and 19
Responsible agency:
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 #4,802 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)
    PROVINCE OF BENGUET awarded it to TANGAYAB CONSTRUCTION SERVICES on 2022-05-17.
    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 Benguet 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   8d8bceea65…76d807now      …
  2. 2. Block Merkle root changed
    stored   084a2fb569…90cf63now      …
  3. 3. Block #4802 hash changed
    stored   5d59dfeb61…dfc38fnow      …
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 303 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8d8bceea658250dd77b1fe7f5de595ec9e57b74ca42bc4424228f924d176d807
  2. 01 L 8d5a994ed377a584dc4939eacad138d72b346430eadd731dbd40d35ddb0ef7af
  3. 02 R b023c942da037a75c945fb68e53d6ac7e93bc03f33c690e54987c6da77525a9c
  4. 03 L 3bc4e6fde8a63de95bbd6c65b8ca858842893d2a9acb0307f6bbe68ac34dfdc2
  5. 04 L a6ec121f74c1780f1d788e3546986b2cf821ac4c0e54abe71fe22753dfed9e87
  6. 05 R 8a54095b377acf9a3b5688c2780058b30bb1879a974ab996f08cfe2164fbc756
  7. 06 L 281a5c84074e19976dbd4eee5ee3bb6771eb58aefe144194187a683d28f86580
  8. 07 R 55ec14a3434435b024b86a70ae169950d148fb06b370db46639c003196338e3a
  9. 08 L 683609257647f6bd2857c193f99eebb83058799ec1ff2b21faffa68ba3440cf8
  10. 09 R 4726c563087432e62a7b08576ec2bbc2fc413652c2677597ebdb011e2a2f89e6
  11. root  084a2fb569e772c2b8e78bd4d0c26343b6c6d0ed76aac99177022ab18f90cf63