Pith Number

pith:PEI5NUDO

pith:2017:PEI5NUDO7F3S2WE5ZWIAXOZT34

not attested not anchored not stored refs pending

Spatial and temporal variations of the fine-structure constant in the Finslerian universe

Hai-Nan Lin, Xin Li

arxiv:1703.09925 v1 · 2017-03-29 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PEI5NUDO7F3S2WE5ZWIAXOZT34}

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	2026-05-18T00:44:57.051066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7911d6d06ef9772d589dcd900bbb33df36b8e83a1e2c507ef4048d70f83c5131

Aliases

arxiv: 1703.09925 · arxiv_version: 1703.09925v1 · doi: 10.48550/arxiv.1703.09925 · pith_short_12: PEI5NUDO7F3S · pith_short_16: PEI5NUDO7F3S2WE5 · pith_short_8: PEI5NUDO

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/PEI5NUDO7F3S2WE5ZWIAXOZT34 \
  | 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: 7911d6d06ef9772d589dcd900bbb33df36b8e83a1e2c507ef4048d70f83c5131

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "776ec8f6916e0d228f2f8c096dc0554f420ce7ca4221d3e1d81b57e167b42db9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-03-29T08:06:29Z",
    "title_canon_sha256": "12de794d6a2db260c5b74084e77747f80349f90a04d1492564c1fb7600951b31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09925",
    "kind": "arxiv",
    "version": 1
  }
}