Pith Number

pith:ICMU5A6M

pith:2009:ICMU5A6MN6D6NK7U2FSTRRD3Z4

not attested not anchored not stored refs pending

Discovery of the Widest Very Low Mass Field Binary

David Lafreni\`ere, Jacqueline Radigan, Ray Jayawardhana, Ren\'e Doyon

arxiv:0903.3251 v1 · 2009-03-18 · 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{ICMU5A6MN6D6NK7U2FSTRRD3Z4}

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	2026-05-18T04:29:15.822297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40994e83cc6f87e6abf4d16538c47bcf20bc504a25ebea7e37dfcb701bc6e82a

Aliases

arxiv: 0903.3251 · arxiv_version: 0903.3251v1 · doi: 10.48550/arxiv.0903.3251 · pith_short_12: ICMU5A6MN6D6 · pith_short_16: ICMU5A6MN6D6NK7U · pith_short_8: ICMU5A6M

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/ICMU5A6MN6D6NK7U2FSTRRD3Z4 \
  | 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: 40994e83cc6f87e6abf4d16538c47bcf20bc504a25ebea7e37dfcb701bc6e82a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c20a4e5016f44e962508744d5ea2198e6a7d1db7f9a66abde7c8f2e807a080df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-18T22:54:14Z",
    "title_canon_sha256": "6af9f57f6c3c71a21624fe87c12fe034fd111606fc3fc013a82e1ac6229fb5c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3251",
    "kind": "arxiv",
    "version": 1
  }
}