Pith Number

pith:HN6JRXAG

pith:2013:HN6JRXAGWCLR5ROIBKXRFIEJ3A

not attested not anchored not stored refs pending

Laboratory atomic transition data for precise optical quasar absorption spectroscopy

(2) University of New South Wales), Julian C. Berengut (2) ((1) Swinburne University of Technology, Michael T. Murphy (1)

arxiv:1311.2949 v3 · 2013-11-12 · astro-ph.CO · astro-ph.IM · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HN6JRXAGWCLR5ROIBKXRFIEJ3A}

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	2026-05-18T01:46:31.781312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b7c98dc06b0971ec5c80aaf12a089d83abc8c7a8128292702450a63949b5af5

Aliases

arxiv: 1311.2949 · arxiv_version: 1311.2949v3 · doi: 10.48550/arxiv.1311.2949 · pith_short_12: HN6JRXAGWCLR · pith_short_16: HN6JRXAGWCLR5ROI · pith_short_8: HN6JRXAG

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/HN6JRXAGWCLR5ROIBKXRFIEJ3A \
  | 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: 3b7c98dc06b0971ec5c80aaf12a089d83abc8c7a8128292702450a63949b5af5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d45d1cbb017e7c005e4e07ccc90fa4f22eba1b39b6b292bcc16a797666c751c",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-12T21:04:54Z",
    "title_canon_sha256": "42b1be2ff3f222bdcdd9406c12b8bf056304e2cc58dc4d22b5c159b13fbaaad5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2949",
    "kind": "arxiv",
    "version": 3
  }
}