Pith Number

pith:J2GROFPM

pith:2018:J2GROFPMIQQKG7XGEMC5M6L3S6

not attested not anchored not stored refs pending

Machine learning classification for field distributions of photonic modes

Carlo Barth, Christiane Becker

arxiv:1803.08290 v1 · 2018-03-22 · physics.optics · physics.comp-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2GROFPMIQQKG7XGEMC5M6L3S6}

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	2026-05-18T00:04:30.188828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e8d1715ec4420a37ee62305d6797b97bd008e9e252c7cc0bf240955c0c01652

Aliases

arxiv: 1803.08290 · arxiv_version: 1803.08290v1 · doi: 10.48550/arxiv.1803.08290 · pith_short_12: J2GROFPMIQQK · pith_short_16: J2GROFPMIQQKG7XG · pith_short_8: J2GROFPM

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/J2GROFPMIQQKG7XGEMC5M6L3S6 \
  | 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: 4e8d1715ec4420a37ee62305d6797b97bd008e9e252c7cc0bf240955c0c01652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc07dcb3094bfa2a0d61ad0e607fe852da882c49f8affb7ba6a154c1a5d17a52",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-03-22T09:54:57Z",
    "title_canon_sha256": "1fbbe232c1b1a92554c0a2b401c2593416085aa6fdce3c04b8fc2bd6871e8ada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08290",
    "kind": "arxiv",
    "version": 1
  }
}