Pith Number

pith:UVDSKI6W

pith:2009:UVDSKI6W35B2XVUCXLEUCROMKA

not attested not anchored not stored refs pending

Protostellar collapse: radiative and magnetic feedbacks on small scale fragmentation

B. Commercon, E. Audit, G. Chabrier, P. Hennebelle, R. Teyssier

arxiv:0912.3138 v2 · 2009-12-16 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVDSKI6W35B2XVUCXLEUCROMKA}

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	2026-05-18T02:10:16.628807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5472523d6df43abd682bac94145cc501f0a5486a1a7e0ec3bdb07852773fefc

Aliases

arxiv: 0912.3138 · arxiv_version: 0912.3138v2 · doi: 10.48550/arxiv.0912.3138 · pith_short_12: UVDSKI6W35B2 · pith_short_16: UVDSKI6W35B2XVUC · pith_short_8: UVDSKI6W

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/UVDSKI6W35B2XVUCXLEUCROMKA \
  | 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: a5472523d6df43abd682bac94145cc501f0a5486a1a7e0ec3bdb07852773fefc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c590e04f544af25dc2e1e5afa2c8f600fae8cb3c488eafec7649771571298c57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-16T13:36:34Z",
    "title_canon_sha256": "083988c20b149402e8b6288fdc89e3d20b2049ec9b1f31cc3a37441f02fba1c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3138",
    "kind": "arxiv",
    "version": 2
  }
}