Pith Number

pith:VHHGPMBW

pith:2010:VHHGPMBW535FUFGBQCVJCU3GAL

not attested not anchored not stored refs pending

Exposed Long-lifetime First-core: A New Model of First Cores Based on Radiation Hydrodynamics

Kazuya Saigo, Kengo Tomida, Kohji Tomisaka, Masahiro N. Machida, Tomoaki Matsumoto

arxiv:1011.4951 v2 · 2010-11-22 · 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{VHHGPMBW535FUFGBQCVJCU3GAL}

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	2026-05-18T04:26:34.653547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9ce67b036eefa5a14c180aa91536602f0065226c2d07cffdf8c1435980a4c99

Aliases

arxiv: 1011.4951 · arxiv_version: 1011.4951v2 · doi: 10.48550/arxiv.1011.4951 · pith_short_12: VHHGPMBW535F · pith_short_16: VHHGPMBW535FUFGB · pith_short_8: VHHGPMBW

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/VHHGPMBW535FUFGBQCVJCU3GAL \
  | 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: a9ce67b036eefa5a14c180aa91536602f0065226c2d07cffdf8c1435980a4c99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bec7e0f73e4c5f5e91f76bf69d0e610089bfa2b2c440fa2ce126f98834c04db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-11-22T21:06:34Z",
    "title_canon_sha256": "48d6acb728fa7581fa745a750a847525d22f8a9643cb9eca3a94a602313a8d9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4951",
    "kind": "arxiv",
    "version": 2
  }
}