Pith Number

pith:2ODM4P4B

pith:2019:2ODM4P4BLOI76AMZ2OBUCAL5UB

not attested not anchored not stored refs pending

The comprehensive theory of light

Urjit A. Yajnik

arxiv:1905.11608 v1 · 2019-05-28 · physics.hist-ph · 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{2ODM4P4BLOI76AMZ2OBUCAL5UB}

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	2026-05-17T23:44:52.864709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d386ce3f815b91ff0199d38341017da067490ac7baa0a47ac900cc64b652fb45

Aliases

arxiv: 1905.11608 · arxiv_version: 1905.11608v1 · doi: 10.48550/arxiv.1905.11608 · pith_short_12: 2ODM4P4BLOI7 · pith_short_16: 2ODM4P4BLOI76AMZ · pith_short_8: 2ODM4P4B

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/2ODM4P4BLOI76AMZ2OBUCAL5UB \
  | 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: d386ce3f815b91ff0199d38341017da067490ac7baa0a47ac900cc64b652fb45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e32babc973dd5be5304cda5f8ae86d235b72c9d5bb3463263aef864e26165da8",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2019-05-28T04:46:25Z",
    "title_canon_sha256": "f8c8710dc2f52adef75a21f6e184537d4285e40bb5524a9988ebbdad1f1c82f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11608",
    "kind": "arxiv",
    "version": 1
  }
}