Pith Number

pith:6TV2SDIF

pith:2011:6TV2SDIFVXIIPLKUKEGTEOVW25

not attested not anchored not stored refs pending

Active Ion Optical Clock

Jingbiao Chen, Tonggang Zhang, Wei Zhuang

arxiv:1111.4704 v1 · 2011-11-21 · physics.atom-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6TV2SDIFVXIIPLKUKEGTEOVW25}

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	2026-05-18T02:38:59.643826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4eba90d05add087ad54510d323ab6d75d6b493ff7f03a17b44fe0d08a06c99c

Aliases

arxiv: 1111.4704 · arxiv_version: 1111.4704v1 · doi: 10.48550/arxiv.1111.4704 · pith_short_12: 6TV2SDIFVXII · pith_short_16: 6TV2SDIFVXIIPLKU · pith_short_8: 6TV2SDIF

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/6TV2SDIFVXIIPLKUKEGTEOVW25 \
  | 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: f4eba90d05add087ad54510d323ab6d75d6b493ff7f03a17b44fe0d08a06c99c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98179af4a30a79a5ad4d1b3e96750548eedaa503936708aad685a1f461ac3e4c",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2011-11-21T00:19:14Z",
    "title_canon_sha256": "3ab62067b61507f3b546c5b99d007ebac20fb2eff9a40cbecef489c2ec4fa44e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4704",
    "kind": "arxiv",
    "version": 1
  }
}