Pith Number

pith:FNU7JTWR

pith:1999:FNU7JTWRV3PQJMWOESXXVA2EU3

not attested not anchored not stored refs pending

Special Relativity at action in the Universe

Gabriele Ghisellini (Osserv. Astr. di Brera, Italy), Merate

arxiv:astro-ph/9905181 v1 · 1999-05-14 · astro-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{FNU7JTWRV3PQJMWOESXXVA2EU3}

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	2026-07-04T14:16:42.821704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b69f4ced1aedf04b2ce24af7a8344a6f0d425535672ef3375a44524aac79c40

Aliases

arxiv: astro-ph/9905181 · arxiv_version: astro-ph/9905181v1 · doi: 10.48550/arxiv.astro-ph/9905181 · pith_short_12: FNU7JTWRV3PQ · pith_short_16: FNU7JTWRV3PQJMWO · pith_short_8: FNU7JTWR

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/FNU7JTWRV3PQJMWOESXXVA2EU3 \
  | 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: 2b69f4ced1aedf04b2ce24af7a8344a6f0d425535672ef3375a44524aac79c40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d327e31a90f1d1e3003dc6a33bea4a297efb7dcbf38fa889015ca44e6ab7b781",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-14T14:05:49Z",
    "title_canon_sha256": "3cfecdfee3b94b87fdf026a9d15f96e75dbc92c95331559cb6fb853a495a110f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905181",
    "kind": "arxiv",
    "version": 1
  }
}