Pith Number

pith:64T5UYQE

pith:2021:64T5UYQE72NMWIJIZ2EB4VXWC5

not attested not anchored not stored refs pending

Dynamics in direct two-photon transition by frequency combs

Hao Xu, Jianye Zhao, Lin Dan, Ping Guo

arxiv:2107.10086 v1 · 2021-07-21 · 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{64T5UYQE72NMWIJIZ2EB4VXWC5}

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	2026-07-05T04:18:00.453132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f727da6204fe9acb2128ce881e56f6174be268a5c52ab57ff2cc2c7c61776fb1

Aliases

arxiv: 2107.10086 · arxiv_version: 2107.10086v1 · doi: 10.48550/arxiv.2107.10086 · pith_short_12: 64T5UYQE72NM · pith_short_16: 64T5UYQE72NMWIJI · pith_short_8: 64T5UYQE

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/64T5UYQE72NMWIJIZ2EB4VXWC5 \
  | 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: f727da6204fe9acb2128ce881e56f6174be268a5c52ab57ff2cc2c7c61776fb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc2ac58e6b33af202f4cda45f9b819ce1cd864a211bdfaa67e98a07680b36ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2021-07-21T13:58:27Z",
    "title_canon_sha256": "ef050d6076fa3e1497e5d10b7afe5c7267d98335887e9b2353983ce2428c0069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10086",
    "kind": "arxiv",
    "version": 1
  }
}