Pith Number

pith:UMODIC4F

pith:2018:UMODIC4FBPS6EN4SYCQC3P5SDS

not attested not anchored not stored refs pending

Radiation Hydrodynamics Simulations of Spherical Protostellar Collapse for Very Low Mass Objects

Shu-ichiro Inutsuka, Torsten Stamer

arxiv:1811.04593 v1 · 2018-11-12 · 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{UMODIC4FBPS6EN4SYCQC3P5SDS}

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	2026-05-17T23:57:14.745686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a31c340b850be5e23792c0a02dbfb21c90eedcd3759746c795db201ce3191987

Aliases

arxiv: 1811.04593 · arxiv_version: 1811.04593v1 · doi: 10.48550/arxiv.1811.04593 · pith_short_12: UMODIC4FBPS6 · pith_short_16: UMODIC4FBPS6EN4S · pith_short_8: UMODIC4F

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/UMODIC4FBPS6EN4SYCQC3P5SDS \
  | 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: a31c340b850be5e23792c0a02dbfb21c90eedcd3759746c795db201ce3191987

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30b06b0f666c652399fc9a7bbd0c08b2e79984d55e1c286eea07172888b86cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-12T07:55:33Z",
    "title_canon_sha256": "6d0099d7116d725e35d8eeeccfb65e870b825972d04400e691c0c5638d68f820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04593",
    "kind": "arxiv",
    "version": 1
  }
}