Pith Number

pith:WOGRZA6X

pith:2016:WOGRZA6X5JWPDT6W2ODA4N6ZCZ

not attested not anchored not stored refs pending

The Airy fibre: an optical fibre that guides light diffracted by a circular aperture

D. Van Ras, I. Gris-S\'anchez, T. A. Birks

arxiv:1601.03841 v1 · 2016-01-15 · 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{WOGRZA6X5JWPDT6W2ODA4N6ZCZ}

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	2026-05-18T01:22:49.892732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b38d1c83d7ea6cf1cfd6d3860e37d9167af3de3a71c279012f967a4f722cf3cb

Aliases

arxiv: 1601.03841 · arxiv_version: 1601.03841v1 · doi: 10.48550/arxiv.1601.03841 · pith_short_12: WOGRZA6X5JWP · pith_short_16: WOGRZA6X5JWPDT6W · pith_short_8: WOGRZA6X

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/WOGRZA6X5JWPDT6W2ODA4N6ZCZ \
  | 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: b38d1c83d7ea6cf1cfd6d3860e37d9167af3de3a71c279012f967a4f722cf3cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd5f12f322b29bc298877d45f902edcc5cec18561c9bcd4b40d71ce98936d40b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-01-15T08:50:50Z",
    "title_canon_sha256": "6f27dd3c38bf2f4d817b152ff23bb457a15698784ed3e2a27ca02c3b4aa7ec0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03841",
    "kind": "arxiv",
    "version": 1
  }
}