Pith Number

pith:UXCOMBPS

pith:2009:UXCOMBPSNNDXHPIQ4AELHEQDUQ

not attested not anchored not stored refs pending

Modelling line emission of deuterated H_3^+ from prestellar cores

E. Hugo, J. Harju, M. Juvela, O. Asvany, O. Sipil\"a, S. Schlemmer

arxiv:0911.1236 v2 · 2009-11-06 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXCOMBPSNNDXHPIQ4AELHEQDUQ}

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	2026-05-18T02:10:58.831450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5c4e605f26b4773bd10e008b39203a409c7cf591976e6d143fe83ff06116822

Aliases

arxiv: 0911.1236 · arxiv_version: 0911.1236v2 · doi: 10.48550/arxiv.0911.1236 · pith_short_12: UXCOMBPSNNDX · pith_short_16: UXCOMBPSNNDXHPIQ · pith_short_8: UXCOMBPS

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/UXCOMBPSNNDXHPIQ4AELHEQDUQ \
  | 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: a5c4e605f26b4773bd10e008b39203a409c7cf591976e6d143fe83ff06116822

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d7e788540ed3db028232afd48b792353379d724bef67c2c18c0cfcae238a8d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-06T12:13:55Z",
    "title_canon_sha256": "416b2501dce64933440dcd25243a5c8d1677c5fdfe68fcda355d03188bc45f37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1236",
    "kind": "arxiv",
    "version": 2
  }
}