Pith Number

pith:2KC4DUVS

pith:2012:2KC4DUVSTUGUVQV7C53UDJ4COO

not attested not anchored not stored refs pending

9 Sgr: uncovering an O-type spectroscopic binary with an 8.6 year period

E. Gosset, G. Rauw, H. Sana, L. Mahy, M. De Becker, M. Spano, P. Eenens

arxiv:1205.3314 v1 · 2012-05-15 · 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{2KC4DUVSTUGUVQV7C53UDJ4COO}

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	2026-05-18T01:57:32.070175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d285c1d2b29d0d4ac2bf177741a78273a41e9f2fa20cc288016ac4b35d10fc2e

Aliases

arxiv: 1205.3314 · arxiv_version: 1205.3314v1 · doi: 10.48550/arxiv.1205.3314 · pith_short_12: 2KC4DUVSTUGU · pith_short_16: 2KC4DUVSTUGUVQV7 · pith_short_8: 2KC4DUVS

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/2KC4DUVSTUGUVQV7C53UDJ4COO \
  | 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: d285c1d2b29d0d4ac2bf177741a78273a41e9f2fa20cc288016ac4b35d10fc2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f8297ce8223510058c377e83b8b2100f7652f655d1cd72c6841b2511e5eeaf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-05-15T10:26:03Z",
    "title_canon_sha256": "1b3ac2bbaf9e56faa93923e93aa666a2edffa689f0dfdfe57f15d58a884a738b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3314",
    "kind": "arxiv",
    "version": 1
  }
}