Pith Number

pith:W3HRFKJY

pith:2016:W3HRFKJYCY42DNAAT2SDYVFI4S

not attested not anchored not stored refs pending

Revealing the spin optics of conics

Lei Zhou, Shuai Zu, Wei Liu, Xing Zhu, Yanjun Bao, Zheyu Fang

arxiv:1602.01245 v3 · 2016-02-03 · 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{W3HRFKJYCY42DNAAT2SDYVFI4S}

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	2026-05-18T01:02:21.040039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6cf12a9381639a1b4009ea43c54a8e48a3e8eed6fe9d32492b2f8c39e5e5c41

Aliases

arxiv: 1602.01245 · arxiv_version: 1602.01245v3 · doi: 10.48550/arxiv.1602.01245 · pith_short_12: W3HRFKJYCY42 · pith_short_16: W3HRFKJYCY42DNAA · pith_short_8: W3HRFKJY

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/W3HRFKJYCY42DNAAT2SDYVFI4S \
  | 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: b6cf12a9381639a1b4009ea43c54a8e48a3e8eed6fe9d32492b2f8c39e5e5c41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b231954de8623fb4ef37ef9d82e604904e3ceea22996521a3e03bcbac1dbd17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-02-03T10:08:18Z",
    "title_canon_sha256": "954632879071e50157735c9cae018a5ad34c8fe8309764e400f6a741326e0983"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01245",
    "kind": "arxiv",
    "version": 3
  }
}