Pith Number

pith:6I5LXYDI

pith:2012:6I5LXYDIZHCQK3BKG7QLGZDJHG

not attested not anchored not stored refs pending

Single mode, extreme precision Doppler spectrographs

Christian Schwab, Christopher H. Betters, Joss Bland-Hawthorn, Sergio G. Leon-Saval, Suvrath Mahadevan

arxiv:1212.4867 v1 · 2012-12-19 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6I5LXYDIZHCQK3BKG7QLGZDJHG}

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	2026-05-18T03:38:04.487817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f23abbe068c9c5056c2a37e0b3646939a5fb43e3b3caf48a6c242fc1e6d97a4d

Aliases

arxiv: 1212.4867 · arxiv_version: 1212.4867v1 · doi: 10.48550/arxiv.1212.4867 · pith_short_12: 6I5LXYDIZHCQ · pith_short_16: 6I5LXYDIZHCQK3BK · pith_short_8: 6I5LXYDI

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/6I5LXYDIZHCQK3BKG7QLGZDJHG \
  | 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: f23abbe068c9c5056c2a37e0b3646939a5fb43e3b3caf48a6c242fc1e6d97a4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6f882139bcfa12b883ffc718d593522510bd8bc7e80b8f7b9d4f89c8b96875e",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-12-19T22:03:51Z",
    "title_canon_sha256": "00467c4081eb6cec095e53dae40d90044563420104ca9b8d6bee263f9f922ab1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4867",
    "kind": "arxiv",
    "version": 1
  }
}