Pith Number

pith:NF7TXKN3

pith:2017:NF7TXKN36BOBRLESDTQZSP4FAW

not attested not anchored not stored refs pending

Visual binary stars: data to investigate formation of binaries

D. Chulkov, D. Kovaleva, L. Yungelson, O. Malkov

arxiv:1701.00421 v1 · 2017-01-02 · 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{NF7TXKN36BOBRLESDTQZSP4FAW}

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	2026-05-18T00:53:35.631296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

697f3ba9bbf05c18ac921ce1993f8505b95d3c7cf34b26710db47053eb0f3a56

Aliases

arxiv: 1701.00421 · arxiv_version: 1701.00421v1 · doi: 10.48550/arxiv.1701.00421 · pith_short_12: NF7TXKN36BOB · pith_short_16: NF7TXKN36BOBRLES · pith_short_8: NF7TXKN3

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/NF7TXKN36BOBRLESDTQZSP4FAW \
  | 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: 697f3ba9bbf05c18ac921ce1993f8505b95d3c7cf34b26710db47053eb0f3a56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4faef2af3944107237800c6daabcfd2ec2bed3e9c8a7b96b13783858f1a9581",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-02T15:36:49Z",
    "title_canon_sha256": "8aa6471f1182fb7a9c7fe97a3cc8df5982ad61aa4a364b9cebe147f66d7beb30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00421",
    "kind": "arxiv",
    "version": 1
  }
}