Pith Number

pith:TSPJLCQ7

pith:2015:TSPJLCQ7DV66VQPAPGZQUVPLHQ

not attested not anchored not stored refs pending

Doppler broadening thermometry based on cavity ring-down spectroscopy

C.-F. Cheng, J. Wang, P. Kang, S.-M. Hu, Y. R. Sun, Y. Tan

arxiv:1502.01397 v2 · 2015-02-05 · physics.atom-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{TSPJLCQ7DV66VQPAPGZQUVPLHQ}

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	2026-05-18T01:29:03.526772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c9e958a1f1d7deac1e079b30a55eb3c2b8969c2824567fd223bd7ca364b1a94

Aliases

arxiv: 1502.01397 · arxiv_version: 1502.01397v2 · doi: 10.48550/arxiv.1502.01397 · pith_short_12: TSPJLCQ7DV66 · pith_short_16: TSPJLCQ7DV66VQPA · pith_short_8: TSPJLCQ7

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/TSPJLCQ7DV66VQPAPGZQUVPLHQ \
  | 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: 9c9e958a1f1d7deac1e079b30a55eb3c2b8969c2824567fd223bd7ca364b1a94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c8226cce2d29033747d056865906a3294d22747f2cef639f3879918e26055de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-02-05T00:18:35Z",
    "title_canon_sha256": "31f1ac6e859bc1c9a426fa8678028d839762412c307a927f726cbee1985d7b5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01397",
    "kind": "arxiv",
    "version": 2
  }
}