Pith Number

pith:X7NPIXES

pith:2017:X7NPIXESG5AN3RS4N2DZ74BYQD

not attested not anchored not stored refs pending

Cross-damping effects in 1S-3S spectroscopy of hydrogen and deuterium

Fran\c{c}ois Biraben, Fran\c{c}ois Nez, H\'el\`ene Fleurbaey, Jean-Philippe Karr, Lucile Julien

arxiv:1704.09003 v1 · 2017-04-28 · 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{X7NPIXESG5AN3RS4N2DZ74BYQD}

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	2026-05-18T00:17:13.508462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfdaf45c923740ddc65c6e879ff03880e4c9070347363635d1a3b107a129ed40

Aliases

arxiv: 1704.09003 · arxiv_version: 1704.09003v1 · doi: 10.48550/arxiv.1704.09003 · pith_short_12: X7NPIXESG5AN · pith_short_16: X7NPIXESG5AN3RS4 · pith_short_8: X7NPIXES

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/X7NPIXESG5AN3RS4N2DZ74BYQD \
  | 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: bfdaf45c923740ddc65c6e879ff03880e4c9070347363635d1a3b107a129ed40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f25426b2137329bb5f6beebbdb8bd24ddffde500046e2ec40b928f82aeaec222",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2017-04-28T16:43:45Z",
    "title_canon_sha256": "2e6a33995b11eee8f9b382e321658ecf37b97764d32ef04b16085b2c8c68d9fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.09003",
    "kind": "arxiv",
    "version": 1
  }
}