Pith Number

pith:3TWN2O3C

pith:2006:3TWN2O3CZRQJORWT2OQBMUJK3F

not attested not anchored not stored refs pending

Does a Galaxy Fly?

Yutaka Fujita (Osaka U.)

arxiv:astro-ph/0608350 v1 · 2006-08-16 · 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{3TWN2O3CZRQJORWT2OQBMUJK3F}

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	2026-05-18T01:40:29.913843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcecdd3b62cc609746d3d3a016512ad95ed61247783a16b81472eab6ba0cdecf

Aliases

arxiv: astro-ph/0608350 · arxiv_version: astro-ph/0608350v1 · doi: 10.48550/arxiv.astro-ph/0608350 · pith_short_12: 3TWN2O3CZRQJ · pith_short_16: 3TWN2O3CZRQJORWT · pith_short_8: 3TWN2O3C

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/3TWN2O3CZRQJORWT2OQBMUJK3F \
  | 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: dcecdd3b62cc609746d3d3a016512ad95ed61247783a16b81472eab6ba0cdecf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f9e5ea958337aa7b719446b8245c8fecccf09a65cfd44f91e416ec969a5557c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-16T20:00:12Z",
    "title_canon_sha256": "08b2f9092cde114174d1f39218e9ae986dd2b57930b60b3ce58e0a2c9ae94b11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608350",
    "kind": "arxiv",
    "version": 1
  }
}