Pith Number

pith:ESR4DX2J

pith:2012:ESR4DX2JD7N4SIK3I4PQ6B6CPM

not attested not anchored not stored refs pending

Two-Photon Airy Disk

De-Qin Xu, Hai-Bo Wang, Jun Xiong, Kaige Wang, Xiangdong Zhang, Xin-Bing Song

arxiv:1204.4638 v1 · 2012-04-20 · quant-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{ESR4DX2JD7N4SIK3I4PQ6B6CPM}

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	2026-05-18T03:57:25.839355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24a3c1df491fdbc9215b471f0f07c27b22fcda59c870a28e447d4392471b6684

Aliases

arxiv: 1204.4638 · arxiv_version: 1204.4638v1 · doi: 10.48550/arxiv.1204.4638 · pith_short_12: ESR4DX2JD7N4 · pith_short_16: ESR4DX2JD7N4SIK3 · pith_short_8: ESR4DX2J

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/ESR4DX2JD7N4SIK3I4PQ6B6CPM \
  | 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: 24a3c1df491fdbc9215b471f0f07c27b22fcda59c870a28e447d4392471b6684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f6e5cb2556c598a981848444277853816a2aeb5595429757ffc38fa42901e28",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-20T14:14:20Z",
    "title_canon_sha256": "91da238cb0333fdc30b125b0d2dad22f1af7bd98630e709b98bce2e0eb43bee6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4638",
    "kind": "arxiv",
    "version": 1
  }
}