Pith Number

pith:D7NKJVQZ

pith:2017:D7NKJVQZ4STNC5VWJ4U3SPDG4M

not attested not anchored not stored refs pending

The dependence of protostar formation on the geometry and strength of the initial magnetic field

Benjamin T. Lewis, Matthew R. Bate

arxiv:1701.08741 v1 · 2017-01-30 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D7NKJVQZ4STNC5VWJ4U3SPDG4M}

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	2026-05-18T00:36:43.522144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fdaa4d619e4a6d176b64f29b93c66e301833c3b7ca11cf0b29a559bb211d4fa

Aliases

arxiv: 1701.08741 · arxiv_version: 1701.08741v1 · doi: 10.48550/arxiv.1701.08741 · pith_short_12: D7NKJVQZ4STN · pith_short_16: D7NKJVQZ4STNC5VW · pith_short_8: D7NKJVQZ

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/D7NKJVQZ4STNC5VWJ4U3SPDG4M \
  | 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: 1fdaa4d619e4a6d176b64f29b93c66e301833c3b7ca11cf0b29a559bb211d4fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "152c8fd4e9cf714e911bd58858d58f972c79bcb987e17a0f6efa9e998c2285e0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-30T18:22:47Z",
    "title_canon_sha256": "63525cc5c3c15388e6a2a65ef1b643aa9ccb287c6b6b26edac5411df18194bcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08741",
    "kind": "arxiv",
    "version": 1
  }
}