Pith Number

pith:OFWUA4IG

pith:2012:OFWUA4IGFFHJWG5FVBUMUG2NK5

not attested not anchored not stored refs pending

Observation of optical chemical shift by precision nuclear spin optical rotation measurements and calculations

Juha Vaara, Junhui Shi, Michael V. Romalis, Suvi Ik\"al\"ainen

arxiv:1202.4241 v1 · 2012-02-20 · physics.chem-ph · 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{OFWUA4IGFFHJWG5FVBUMUG2NK5}

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	2026-05-18T04:01:51.968731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

716d407106294e9b1ba5a868ca1b4d5773f6cb936e3c6b1fe97b8852db8f759c

Aliases

arxiv: 1202.4241 · arxiv_version: 1202.4241v1 · doi: 10.48550/arxiv.1202.4241 · pith_short_12: OFWUA4IGFFHJ · pith_short_16: OFWUA4IGFFHJWG5F · pith_short_8: OFWUA4IG

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/OFWUA4IGFFHJWG5FVBUMUG2NK5 \
  | 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: 716d407106294e9b1ba5a868ca1b4d5773f6cb936e3c6b1fe97b8852db8f759c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "351e1fbef3827008aa8055da111a95ec87b06b791eac606fd3f0cc1f8cdf2e64",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2012-02-20T07:55:09Z",
    "title_canon_sha256": "04a413992d17ff45a6f3336ba8f8b00329978f1bfb59803c7f2aed5c72f01334"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4241",
    "kind": "arxiv",
    "version": 1
  }
}