Pith Number

pith:KNU22OUW

pith:2011:KNU22OUWKNHP2XFGGMTKQXQV2Q

not attested not anchored not stored refs pending

The Close Binary Fraction of Dwarf M Stars

Benjamin M. Clark, Cullen H. Blake, Gillian R. Knapp

arxiv:1110.4016 v1 · 2011-10-18 · 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{KNU22OUWKNHP2XFGGMTKQXQV2Q}

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	2026-05-18T02:00:09.215411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5369ad3a96534efd5ca63326a85e15d423f55e71430466e7acea57c9aeaa04e4

Aliases

arxiv: 1110.4016 · arxiv_version: 1110.4016v1 · doi: 10.48550/arxiv.1110.4016 · pith_short_12: KNU22OUWKNHP · pith_short_16: KNU22OUWKNHP2XFG · pith_short_8: KNU22OUW

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/KNU22OUWKNHP2XFGGMTKQXQV2Q \
  | 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: 5369ad3a96534efd5ca63326a85e15d423f55e71430466e7acea57c9aeaa04e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d4f798bc850b6aea29dc0537f9340f333222e5a3ea7d741116a36f164f692ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-18T15:07:36Z",
    "title_canon_sha256": "f70d734fc69aff325bcf599263b5adc77635c003036601929f1f3a147f316faf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4016",
    "kind": "arxiv",
    "version": 1
  }
}