Pith Number

pith:J44HQDTL

pith:2018:J44HQDTLB3ZDR72HBISNRZ4DPR

not attested not anchored not stored refs pending

Chemistry of a newly detected circumbinary disk in Ophiuchus

(2) Department of Astronomy, (3) Niels Bohr International Academy, (4) ICREA, (5) Leiden Observatory, (6) The Institute of Physical, (7) Department of Physics, C. Brinch (3), Chemical Research (RIKEN), D. Harsono (5), E. A. Bergin (2), E. Artur de la Villarmois (1), Institut de Ci\`encies del Cosmos, J. K. J{\o}rgensen (1), Leiden University, L. E. Kristensen (1), Niels Bohr Institute & Natural History Museum of Denmark, N. Sakai (6), Planet Formation, S. Frimann (4), S. Yamamoto (7) ((1) Centre for Star, The Niels Bohr Institute, The University of Tokyo), University de Barcelona, University of Copenhagen, University of Michigan

arxiv:1802.09286 v1 · 2018-02-26 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J44HQDTLB3ZDR72HBISNRZ4DPR}

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	2026-05-18T00:13:27.493875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f38780e6b0ef238ff470a24d8e7837c6d0b7175252e714abaa0ebb3338cc020

Aliases

arxiv: 1802.09286 · arxiv_version: 1802.09286v1 · doi: 10.48550/arxiv.1802.09286 · pith_short_12: J44HQDTLB3ZD · pith_short_16: J44HQDTLB3ZDR72H · pith_short_8: J44HQDTL

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/J44HQDTLB3ZDR72HBISNRZ4DPR \
  | 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: 4f38780e6b0ef238ff470a24d8e7837c6d0b7175252e714abaa0ebb3338cc020

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1f9c206acd9097fd1baa1a1da4def874f58354262655d73f4ed73c72f543bae",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-26T13:23:53Z",
    "title_canon_sha256": "3db771db6fd0cda673d0da132ff86abb6f4d8f60c05b93d6f81e3791c7017bb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09286",
    "kind": "arxiv",
    "version": 1
  }
}