Pith Number

pith:VN5ZZJCT

pith:2010:VN5ZZJCTNFUPBE6RHQWGZY4KYM

not attested not anchored not stored refs pending

Discovery and Characterization of a Faint Stellar Companion to the A3V Star Zeta Virginis

(10) UCLA, (11) Cornell, (12) Caltech Optical Observatories, (13) NASA Exoplanet Science Institute), 2), (2) Sagan Fellow, (3) AMNH, 4), (4) Columbia Univ., (5) JPL, (6) IoA Cambridge, (7) STScI, 8, (8) CfAO, 9), (9) Stony Brook, Anand Sivaramakrishnan (3, Antonin Bouchez (12), Ben R. Oppenheimer (3), Charles Beichman (13), David L. King (6), Douglas Brenner (3), Gautam Vasisht (5) ((1) Caltech, Ian R. Parry (6), James P. Lloyd (11), Jennifer E. Roberts (5), Lewis C Roberts Jr. (5), Lynne Hillenbrand (1), Marshall D. Perrin (10), Michael Shao (5), Michal Simon (9), Neil Zimmerman (3, Remi Soummer (7), Richard Dekany (12), Rick Burruss (5), Sasha Hinkley (1

arxiv:1002.1074 v1 · 2010-02-04 · astro-ph.IM · astro-ph.EP · 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{VN5ZZJCTNFUPBE6RHQWGZY4KYM}

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	2026-05-18T02:09:19.408126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab7b9ca4536968f093d13c2c6ce38ac30d37489c9acb93139a6ecea135ea76f9

Aliases

arxiv: 1002.1074 · arxiv_version: 1002.1074v1 · doi: 10.48550/arxiv.1002.1074 · pith_short_12: VN5ZZJCTNFUP · pith_short_16: VN5ZZJCTNFUPBE6R · pith_short_8: VN5ZZJCT

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/VN5ZZJCTNFUPBE6RHQWGZY4KYM \
  | 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: ab7b9ca4536968f093d13c2c6ce38ac30d37489c9acb93139a6ecea135ea76f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a49bc37fe27f19e56346a8bb2f5cb0c5a431284647e33549596e5eaff02adff",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-02-04T21:00:03Z",
    "title_canon_sha256": "25d980216e2e0997c3c1f0af6c2276c83895d253c1c5189c6711ceb5da8615ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1074",
    "kind": "arxiv",
    "version": 1
  }
}