Pith Number

pith:JOFIZPXB

pith:2018:JOFIZPXBSMUGT2RB7L5HLHYNAM

not attested not anchored not stored refs pending

Exceptional points and photonic catastrophe

Stefano Longhi

arxiv:1805.09178 v1 · 2018-05-23 · physics.optics · quant-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{JOFIZPXBSMUGT2RB7L5HLHYNAM}

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	2026-07-05T02:16:10.431428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b8a8cbee1932869ea21fafa759f0d0329c70e8e71e3d208ad27a41570dbf060

Aliases

arxiv: 1805.09178 · arxiv_version: 1805.09178v1 · doi: 10.48550/arxiv.1805.09178 · pith_short_12: JOFIZPXBSMUG · pith_short_16: JOFIZPXBSMUGT2RB · pith_short_8: JOFIZPXB

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/JOFIZPXBSMUGT2RB7L5HLHYNAM \
  | 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: 4b8a8cbee1932869ea21fafa759f0d0329c70e8e71e3d208ad27a41570dbf060

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cf15ba8bb1c069b54e7d3e634812b3f47ee6e861984e7d7d06708e4576722c6",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-05-23T13:56:34Z",
    "title_canon_sha256": "7e3fe6160dbd7c82c6a5aa1393b9fa25691e952053f6fa2fe5e5bd4a1489d16b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09178",
    "kind": "arxiv",
    "version": 1
  }
}