Pith Number

pith:6J7TVWGQ

pith:2019:6J7TVWGQE2KWBTLZIHJPDGW6PU

not attested not anchored not stored refs pending

Continuous Fourier Transform: A practical approach for truncated signals and suggestions for improvements in thermography

K. H. H. Goh

arxiv:1907.01286 v1 · 2019-07-02 · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6J7TVWGQE2KWBTLZIHJPDGW6PU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:41:40.772949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f27f3ad8d0269560cd7941d2f19ade7d1ff5fdc1fb98d963705c203977846811

Aliases

arxiv: 1907.01286 · arxiv_version: 1907.01286v1 · doi: 10.48550/arxiv.1907.01286 · pith_short_12: 6J7TVWGQE2KW · pith_short_16: 6J7TVWGQE2KWBTLZ · pith_short_8: 6J7TVWGQ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6J7TVWGQE2KWBTLZIHJPDGW6PU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f27f3ad8d0269560cd7941d2f19ade7d1ff5fdc1fb98d963705c203977846811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebfdb90b32dbc4314dac85cd8447db5363a79232dbc2815d737cabf7779aaee6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-07-02T10:33:53Z",
    "title_canon_sha256": "700eec93c4eeeac3afdc24da49294b298d195fe22d7f2337d2c0b523c6855a28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01286",
    "kind": "arxiv",
    "version": 1
  }
}