Pith Number

pith:7KTUTOL5

pith:2012:7KTUTOL5TJR4JQQPFNQMCXIQ3U

not attested not anchored not stored refs pending

99 Herculis: Host to a Circumbinary Polar-ring Debris Disk

B. C. Matthews, B. Sibthorpe, G. Duchene, G. M. Kennedy, J. S. Greaves, K. Y. L. Su, M. C. Wyatt, M. P. Fitzgerald, P. Kalas

arxiv:1201.1911 v1 · 2012-01-09 · 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{7KTUTOL5TJR4JQQPFNQMCXIQ3U}

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	2026-05-18T02:21:18.631437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faa749b97d9a63c4c20f2b60c15d10dd262f2444f3b82991d380f11e7b87980d

Aliases

arxiv: 1201.1911 · arxiv_version: 1201.1911v1 · doi: 10.48550/arxiv.1201.1911 · pith_short_12: 7KTUTOL5TJR4 · pith_short_16: 7KTUTOL5TJR4JQQP · pith_short_8: 7KTUTOL5

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/7KTUTOL5TJR4JQQPFNQMCXIQ3U \
  | 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: faa749b97d9a63c4c20f2b60c15d10dd262f2444f3b82991d380f11e7b87980d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "140e604ab0c1efe21197a80093e41e0761e017e1e417f3104a99e25f8354a532",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-01-09T21:00:03Z",
    "title_canon_sha256": "d34ad1b88643612ecb4de17f9444e1dec525e821e0672871f459124928374704"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1911",
    "kind": "arxiv",
    "version": 1
  }
}