Pith Number

pith:FJ2OVOPY

pith:2014:FJ2OVOPYHNEQUK3GI7Q4S7WX7H

not attested not anchored not stored refs pending

H$_2$ Lyman and Werner band lines and their sensitivity for a variation of the proton-electron mass ratio in the gravitational potential of white dwarfs

E. J. Salumbides, E. Roueff, H. Abgrall, J. Bagdonaite, W. Ubachs

arxiv:1412.6920 v1 · 2014-12-22 · physics.atom-ph · astro-ph.SR · physics.space-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{FJ2OVOPYHNEQUK3GI7Q4S7WX7H}

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	2026-05-18T01:41:16.143901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a74eab9f83b490a2b6647e1c97ed7f9d5b7b47f1249641085450e0b257b953b

Aliases

arxiv: 1412.6920 · arxiv_version: 1412.6920v1 · doi: 10.48550/arxiv.1412.6920 · pith_short_12: FJ2OVOPYHNEQ · pith_short_16: FJ2OVOPYHNEQUK3G · pith_short_8: FJ2OVOPY

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/FJ2OVOPYHNEQUK3GI7Q4S7WX7H \
  | 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: 2a74eab9f83b490a2b6647e1c97ed7f9d5b7b47f1249641085450e0b257b953b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d981e4ebfd43c7f4cb3651499bd0825bb0f459a089c7cb8a10103833df220fcb",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2014-12-22T10:55:03Z",
    "title_canon_sha256": "d719f8211366d110ccb3b4a789969009fa1d177e115094045aaf6dac82e103bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6920",
    "kind": "arxiv",
    "version": 1
  }
}