Pith Number

pith:K46GU5YO

pith:2003:K46GU5YOXJLS3DCZUH7XA5WODS

not attested not anchored not stored refs pending

VLBI observations of T Tauri S

A. Benz, J. Conway, K.W. Smith, M. Guedel, M. Pestalozzi

arxiv:astro-ph/0305543 v1 · 2003-05-28 · 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{K46GU5YOXJLS3DCZUH7XA5WODS}

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	2026-07-04T16:37:12.936260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

573c6a770eba572d8c59a1ff7076ce1c9cdf1a2697021af22baff5ef2d6b13ac

Aliases

arxiv: astro-ph/0305543 · arxiv_version: astro-ph/0305543v1 · doi: 10.48550/arxiv.astro-ph/0305543 · pith_short_12: K46GU5YOXJLS · pith_short_16: K46GU5YOXJLS3DCZ · pith_short_8: K46GU5YO

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/K46GU5YOXJLS3DCZUH7XA5WODS \
  | 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: 573c6a770eba572d8c59a1ff7076ce1c9cdf1a2697021af22baff5ef2d6b13ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77cd7553880e1bd84908611c8d98d5e8fab4e94f92014d6bc622bf6506734086",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-28T18:13:07Z",
    "title_canon_sha256": "d058e314091dceba91dc538ba4e0fdbaeedb96f5b972c8946f75c5c285123e5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305543",
    "kind": "arxiv",
    "version": 1
  }
}