Pith Number

pith:FNA35NQC

pith:2004:FNA35NQCVFY23GY3ZSIXH4IP2V

not attested not anchored not stored refs pending

Small PAHs in the Red Rectangle

Adolf N. Witt (University of Toledo), Karl D. Gordon (University of Arizona), Uma P. Vijh

arxiv:astro-ph/0410130 v1 · 2004-10-05 · 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{FNA35NQCVFY23GY3ZSIXH4IP2V}

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	2026-07-04T16:44:55.359666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b41beb602a971ad9b1bcc9173f10fd54c94b60ea0ac1c662aab60bd09af0fda

Aliases

arxiv: astro-ph/0410130 · arxiv_version: astro-ph/0410130v1 · doi: 10.48550/arxiv.astro-ph/0410130 · pith_short_12: FNA35NQCVFY2 · pith_short_16: FNA35NQCVFY23GY3 · pith_short_8: FNA35NQC

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/FNA35NQCVFY23GY3ZSIXH4IP2V \
  | 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: 2b41beb602a971ad9b1bcc9173f10fd54c94b60ea0ac1c662aab60bd09af0fda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f6c8a1a689cc93c440b28a9672f7fe7473c53224a8988da92d06590a1f90ba8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-05T21:55:01Z",
    "title_canon_sha256": "ba862efbcd8624e43dc0735b9768f1ff7da83375cb40bb507bf36cd8e6ca8985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410130",
    "kind": "arxiv",
    "version": 1
  }
}