Pith Number

pith:IRM6Q6PV

pith:2013:IRM6Q6PV6WD64ITNX5HXXFZRBI

not attested not anchored not stored refs pending

Radiation Magnetohydrodynamic Simulations of Protostellar Collapse: Low-Metallicity Environments

Kengo Tomida (Princeton University)

arxiv:1312.4944 v1 · 2013-12-17 · 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{IRM6Q6PV6WD64ITNX5HXXFZRBI}

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	2026-05-18T01:45:44.974838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4459e879f5f587ee226dbf4f7b97310a0fc2f8d1ac5f785bb8a060771fde13af

Aliases

arxiv: 1312.4944 · arxiv_version: 1312.4944v1 · doi: 10.48550/arxiv.1312.4944 · pith_short_12: IRM6Q6PV6WD6 · pith_short_16: IRM6Q6PV6WD64ITN · pith_short_8: IRM6Q6PV

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/IRM6Q6PV6WD64ITNX5HXXFZRBI \
  | 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: 4459e879f5f587ee226dbf4f7b97310a0fc2f8d1ac5f785bb8a060771fde13af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96c9b801b9bcd7e4a3241f574e3c9db6e4424e3da9d9e42fb63119054d4c10b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-17T21:00:00Z",
    "title_canon_sha256": "25753fd0e9e5e7e2c9a1229f71f0a6e6e6aef73d90231840c3fcbd95887ab8e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4944",
    "kind": "arxiv",
    "version": 1
  }
}