Pith Number

pith:XI5OAIVL

pith:2003:XI5OAIVLCIQ56MTQFDMZBYSWYE

not attested not anchored not stored refs pending

Optical Spectroscopy of IRAS 02091+6333

A.A. Zijlstra (AI Innsbruck, A. Bacher, AG Manchester), C. Lederle, G.E. Groemer, KU Leuven, K. Uytterhoeven, M. Emprechtinger, M.F.M. Lechner, M.G. Kitzbichler, S. Kimeswenger, W. Kapferer, W. Kausch

arxiv:astro-ph/0309282 v1 · 2003-09-10 · 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{XI5OAIVLCIQ56MTQFDMZBYSWYE}

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	2026-07-04T16:51:37.733286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba3ae022ab1221df327028d990e256c12db92b52903479ed47ce47a0df2ded43

Aliases

arxiv: astro-ph/0309282 · arxiv_version: astro-ph/0309282v1 · doi: 10.48550/arxiv.astro-ph/0309282 · pith_short_12: XI5OAIVLCIQ5 · pith_short_16: XI5OAIVLCIQ56MTQ · pith_short_8: XI5OAIVL

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/XI5OAIVLCIQ56MTQFDMZBYSWYE \
  | 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: ba3ae022ab1221df327028d990e256c12db92b52903479ed47ce47a0df2ded43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53e766929997ba3ea64df6a1a7bb184e3b44c9cfcafae0239b61697c3439d29a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-10T07:49:25Z",
    "title_canon_sha256": "891f968906057c6105582f39a558929b57955e4f4c1f02456ae4503e71cf7412"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309282",
    "kind": "arxiv",
    "version": 1
  }
}