Pith Number

pith:632RDDXU

pith:2018:632RDDXUQUUQ7ZCHMDLTI3BK27

not attested not anchored not stored refs pending

From large-scale to protostellar disk fragmentation into close binary stars

Fidel Cruz, Jaime Klapp, Jos\'e Ram\'irez-Velasquez, Leonardo Di G. Sigalotti, Ruslan Gabbasov

arxiv:1803.09395 v1 · 2018-03-26 · 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{632RDDXUQUUQ7ZCHMDLTI3BK27}

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	2026-05-18T00:17:38.128466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6f5118ef485290fe44760d7346c2ad7f35fe032e2ef050f59d6c38f12261607

Aliases

arxiv: 1803.09395 · arxiv_version: 1803.09395v1 · doi: 10.48550/arxiv.1803.09395 · pith_short_12: 632RDDXUQUUQ · pith_short_16: 632RDDXUQUUQ7ZCH · pith_short_8: 632RDDXU

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/632RDDXUQUUQ7ZCHMDLTI3BK27 \
  | 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: f6f5118ef485290fe44760d7346c2ad7f35fe032e2ef050f59d6c38f12261607

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e48ca5bd42c5fa21a9a69db45b2647df327488963ec4e3420f4d81477ee8911",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-26T03:08:34Z",
    "title_canon_sha256": "1878454f8a7e76837374c62e471873acd244617a5d73ead14ea967ff5ce58bd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09395",
    "kind": "arxiv",
    "version": 1
  }
}