Pith Number

pith:L7CMFRXO

pith:2002:L7CMFRXODHRGNBEG5FT72BRUAO

not attested not anchored not stored refs pending

Observations of [S IV] 10.5 micron and [Ne II] 12.8 micron in Two Halo Planetary Nebulae: Implications for Chemical Self-Enrichment

(2) University of California at Davis, (3) Ohio State University), Harriet L. Dinerstein (1), John H. Lacy (1), K. Sellgren (3) ((1) University of Texas at Austin, Matthew J. Richter (2)

arxiv:astro-ph/0210356 v2 · 2002-10-15 · 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{L7CMFRXODHRGNBEG5FT72BRUAO}

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	2026-07-04T15:39:54.787358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fc4c2c6ee19e2668486e967fd06340380a4096b28cab27dea59fff81130c303

Aliases

arxiv: astro-ph/0210356 · arxiv_version: astro-ph/0210356v2 · doi: 10.48550/arxiv.astro-ph/0210356 · pith_short_12: L7CMFRXODHRG · pith_short_16: L7CMFRXODHRGNBEG · pith_short_8: L7CMFRXO

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/L7CMFRXODHRGNBEG5FT72BRUAO \
  | 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: 5fc4c2c6ee19e2668486e967fd06340380a4096b28cab27dea59fff81130c303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "533eb1a68d1917b624b6651ce5285616cef091f561c9064913ae2289067ce837",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-15T22:57:07Z",
    "title_canon_sha256": "75d43c833322b2a1ca58f22ded15c4f3fb4f5255413bfe12bc14ea164a77ae2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210356",
    "kind": "arxiv",
    "version": 2
  }
}