Pith Number

pith:XFXMZYKU

pith:2010:XFXMZYKUOEKXHLFQZ6EXIOZUS4

not attested not anchored not stored refs pending

The Spitzer View of Low-Metallicity Star Formation: III. Fine Structure Lines, Aromatic Features, and Molecules

Leslie K. Hunt, Marc Sauvage, Trinh X. Thuan, Yuri I. Izotov

arxiv:1002.0991 v1 · 2010-02-04 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFXMZYKUOEKXHLFQZ6EXIOZUS4}

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	2026-05-18T02:09:19.604529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b96ecce154711573acb0cf89743b34970b30f3281c8a3d962396cbd3c9b3505d

Aliases

arxiv: 1002.0991 · arxiv_version: 1002.0991v1 · doi: 10.48550/arxiv.1002.0991 · pith_short_12: XFXMZYKUOEKX · pith_short_16: XFXMZYKUOEKXHLFQ · pith_short_8: XFXMZYKU

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/XFXMZYKUOEKXHLFQZ6EXIOZUS4 \
  | 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: b96ecce154711573acb0cf89743b34970b30f3281c8a3d962396cbd3c9b3505d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e580a1599afd269db58a21b32f2ef4c650479bc12e9520f1442c580558a1f234",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-04T13:06:46Z",
    "title_canon_sha256": "01a4f0f70e8755cfde5eea19f807f7c942d3ecb67ed7e99d882879b8e015af49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0991",
    "kind": "arxiv",
    "version": 1
  }
}