Pith Number

pith:QJLCULM7

pith:2004:QJLCULM72QYR2QZDRLEKDKEVHJ

not attested not anchored not stored refs pending

Study of the Bipolar Nebula IRAS 19312+1950. II. Circumstellar Chemistry

J. Nakashima, S. Deguchi, S. Takano

arxiv:astro-ph/0410252 v1 · 2004-10-11 · 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{QJLCULM72QYR2QZDRLEKDKEVHJ}

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.

Cited by

1 paper in Pith

Red novae, their progenitors, and remnants

Receipt and verification

First computed	2026-05-18T01:40:34.958673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82562a2d9fd4311d43238ac8a1a8953a5619aeae7ce28440d633979323e7ba0f

Aliases

arxiv: astro-ph/0410252 · arxiv_version: astro-ph/0410252v1 · doi: 10.48550/arxiv.astro-ph/0410252 · pith_short_12: QJLCULM72QYR · pith_short_16: QJLCULM72QYR2QZD · pith_short_8: QJLCULM7

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/QJLCULM72QYR2QZDRLEKDKEVHJ \
  | 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: 82562a2d9fd4311d43238ac8a1a8953a5619aeae7ce28440d633979323e7ba0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bde7cbe820c2a35f45f69549206e7eaed525d25a90802f80af4a9a3e8e5f119b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-11T00:17:13Z",
    "title_canon_sha256": "203238cf9b1e16320491e5ad9881037d764f7ee89f6992dd9df323ea4f435491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410252",
    "kind": "arxiv",
    "version": 1
  }
}