Pith Number

pith:6SMQDCLB

pith:2015:6SMQDCLBE3XDUMT47YG4MVZEOY

not attested not anchored not stored refs pending

Radiation Magnetohydrodynamic Simulations of Protostellar Collapse: Non-Ideal Magnetohydrodynamic Effects and Early Formation of Circumstellar Disks

Kengo Tomida (Princeton University), Masahiro N. Machida (Kyushu University), Satoshi Okuzumi (Tokyo Institute of Technology)

arxiv:1501.04102 v1 · 2015-01-16 · 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{6SMQDCLBE3XDUMT47YG4MVZEOY}

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	2026-05-18T01:41:10.508125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f49901896126ee3a327cfe0dc6572476154b70007c5b151ac94239db430a8dd0

Aliases

arxiv: 1501.04102 · arxiv_version: 1501.04102v1 · doi: 10.48550/arxiv.1501.04102 · pith_short_12: 6SMQDCLBE3XD · pith_short_16: 6SMQDCLBE3XDUMT4 · pith_short_8: 6SMQDCLB

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/6SMQDCLBE3XDUMT47YG4MVZEOY \
  | 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: f49901896126ee3a327cfe0dc6572476154b70007c5b151ac94239db430a8dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11170946d73f4267ad5d20232f75f47963fee0c06aaafe1120847ed62d805ea8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-16T21:00:02Z",
    "title_canon_sha256": "9f67a04d05cbe544987f8ca6bdadb4ca68a15036df6d26ed61e4d6c552ad127c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04102",
    "kind": "arxiv",
    "version": 1
  }
}