Pith Number

pith:IRDYYDML

pith:2015:IRDYYDMLNKXO6NBSDGU7JJCW4Q

not attested not anchored not stored refs pending

Conical refraction healing after partially blocking the input beam

Alex Turpin, Jordi Mompart, Ram\'on Corbal\'an, Todor K. Kalkandjiev, Yury V. Loiko

arxiv:1505.04913 v1 · 2015-05-19 · 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{IRDYYDMLNKXO6NBSDGU7JJCW4Q}

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	2026-05-18T01:36:12.899833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44478c0d8b6aaeef343219a9f4a456e4243f18b88004aac5473a3b663264ca18

Aliases

arxiv: 1505.04913 · arxiv_version: 1505.04913v1 · doi: 10.48550/arxiv.1505.04913 · pith_short_12: IRDYYDMLNKXO · pith_short_16: IRDYYDMLNKXO6NBS · pith_short_8: IRDYYDML

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/IRDYYDMLNKXO6NBSDGU7JJCW4Q \
  | 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: 44478c0d8b6aaeef343219a9f4a456e4243f18b88004aac5473a3b663264ca18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db0891dbee57fd98d9e332d9e61d683022b8afafefe899c69d41de4fac04e205",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-05-19T09:07:03Z",
    "title_canon_sha256": "5dec3f2fb5257527341b01149abe7b959b5f8418fc6f13eeed7d44695e586def"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04913",
    "kind": "arxiv",
    "version": 1
  }
}