Pith Number

pith:A4FTTJSZ

pith:2019:A4FTTJSZFMZDTEEMUFC6BAPOCM

not attested not anchored not stored refs pending

High resolution spectroscopy of individual erbium ions in strong magnetic fields

Brett C. Johnson, Chunming Yin, Gabriele G. de Boo, Jeffrey C. McCallum, Matthew Sellars, Milo\v{s} Ran\v{c}i\'c, Sven Rogge

arxiv:1912.05795 v1 · 2019-12-12 · cond-mat.mtrl-sci · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4FTTJSZFMZDTEEMUFC6BAPOCM}

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	2026-07-05T01:46:44.773126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

070b39a6592b3239908ca145e081ee130a71ed1cfe67d5154029c99f97f234da

Aliases

arxiv: 1912.05795 · arxiv_version: 1912.05795v1 · doi: 10.48550/arxiv.1912.05795 · pith_short_12: A4FTTJSZFMZD · pith_short_16: A4FTTJSZFMZDTEEM · pith_short_8: A4FTTJSZ

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/A4FTTJSZFMZDTEEMUFC6BAPOCM \
  | 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: 070b39a6592b3239908ca145e081ee130a71ed1cfe67d5154029c99f97f234da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "918ea0f87becca384e795fe0767708cdb30813fa3db7b1a7faae501f68872b29",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-12-12T06:48:56Z",
    "title_canon_sha256": "0ecbcbb2afb1975a522aeb45d554f23d1260e70c74dcc0870cd9bd2928df8b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.05795",
    "kind": "arxiv",
    "version": 1
  }
}