Pith Number

pith:V6KPZ32A

pith:2012:V6KPZ32AZBV2EAIL7FOK3IG4HQ

not attested not anchored not stored refs pending

Simulations of protostellar collapse using multigroup radiation hydrodynamics. I. The first collapse

(2) Maison de la Simulation, 3), (3) CEA Saclay, 4), (4) University of Exeter, (5) Max Planck Institute for Astronomy, 6), (6) ENS Paris), Benoit Commercon (5, Edouard Audit (2, Gilles Chabrier (1, Jacques Masson (1) ((1) ENS Lyon, Neil Vaytet (1)

arxiv:1205.5143 v1 · 2012-05-23 · 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{V6KPZ32AZBV2EAIL7FOK3IG4HQ}

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	2026-05-18T01:57:24.063119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af94fcef40c86ba2010bf95cada0dc3c22bb1e8a3ab1cdff1bcc9e50f0f370d1

Aliases

arxiv: 1205.5143 · arxiv_version: 1205.5143v1 · doi: 10.48550/arxiv.1205.5143 · pith_short_12: V6KPZ32AZBV2 · pith_short_16: V6KPZ32AZBV2EAIL · pith_short_8: V6KPZ32A

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/V6KPZ32AZBV2EAIL7FOK3IG4HQ \
  | 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: af94fcef40c86ba2010bf95cada0dc3c22bb1e8a3ab1cdff1bcc9e50f0f370d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c1ddb416e30b249829bb7eba0f05c51565ff33eddf192435686479ab5b68d39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-05-23T10:27:05Z",
    "title_canon_sha256": "e13d91f3bf82a9ae617fcf5dcb3247b004ab212a010efc300d1483404e1fd2ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5143",
    "kind": "arxiv",
    "version": 1
  }
}