Pith Number

pith:BMI7NARS

pith:2012:BMI7NARSPW2K6RY4NMKL2E4NYW

not attested not anchored not stored refs pending

Liquid-state nuclear spin comagnetometers

Alexander Pines, Dmitry Budker, John Blanchard, Micah Ledbetter, Michael Romalis, Szymon Pustelny

arxiv:1201.4438 v2 · 2012-01-21 · physics.atom-ph · nucl-ex · physics.chem-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{BMI7NARSPW2K6RY4NMKL2E4NYW}

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	2026-05-18T03:22:53.031372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b11f682327db4af471c6b14bd138dc5be94ad19733ee93a282b1d7969953817

Aliases

arxiv: 1201.4438 · arxiv_version: 1201.4438v2 · doi: 10.48550/arxiv.1201.4438 · pith_short_12: BMI7NARSPW2K · pith_short_16: BMI7NARSPW2K6RY4 · pith_short_8: BMI7NARS

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/BMI7NARSPW2K6RY4NMKL2E4NYW \
  | 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: 0b11f682327db4af471c6b14bd138dc5be94ad19733ee93a282b1d7969953817

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49c1c27bbd3ba7f2243472ff0af046e582b91932dc0f1f59db54c6c7df89d4ff",
    "cross_cats_sorted": [
      "nucl-ex",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-01-21T07:29:59Z",
    "title_canon_sha256": "e2245d3109ac938b8a6c1a57a39b4707afde45ef0513ae3b58613d1e34a02987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4438",
    "kind": "arxiv",
    "version": 2
  }
}