Pith Number

pith:2JIWYX3V

pith:2011:2JIWYX3VOSC6O42ZNLTEPJH2SQ

not attested not anchored not stored refs pending

Finding proto-spectroscopic binaries: Precise multi-epoch radial velocities of 7 protostars in rho-Ophiuchus

C. Melo, J.F. Gameiro, M. Sterzik, N.C. Santos, P. Figueira, P. Viana Almeida

arxiv:1112.6341 v1 · 2011-12-29 · 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{2JIWYX3VOSC6O42ZNLTEPJH2SQ}

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	2026-05-18T01:58:59.775368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2516c5f757485e773596ae647a4fa942a4c4d006dd192809304e2aed68ff929

Aliases

arxiv: 1112.6341 · arxiv_version: 1112.6341v1 · doi: 10.48550/arxiv.1112.6341 · pith_short_12: 2JIWYX3VOSC6 · pith_short_16: 2JIWYX3VOSC6O42Z · pith_short_8: 2JIWYX3V

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/2JIWYX3VOSC6O42ZNLTEPJH2SQ \
  | 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: d2516c5f757485e773596ae647a4fa942a4c4d006dd192809304e2aed68ff929

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5582e967583d8f06e01a6cede08a73eaec6e1aa57dd0084bb6d4bd22367d0597",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-29T16:10:02Z",
    "title_canon_sha256": "c514c19657fd9a65a37f4036ab28ebc4e2f707cfb06de0d830e16dfd74b4c5f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6341",
    "kind": "arxiv",
    "version": 1
  }
}