Pith Number

pith:Y6AKFRJP

pith:2015:Y6AKFRJPP3VH5ESMDRNOX5AIEU

not attested not anchored not stored refs pending

James Clerk Maxwell's class of 1856/57

John S. Reid

arxiv:1504.07587 v1 · 2015-04-25 · physics.hist-ph · physics.ed-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{Y6AKFRJPP3VH5ESMDRNOX5AIEU}

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	2026-05-18T02:17:34.331182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c780a2c52f7eea7e924c1c5aebf408253d95d821a3dd3703951d5f492840e18b

Aliases

arxiv: 1504.07587 · arxiv_version: 1504.07587v1 · doi: 10.48550/arxiv.1504.07587 · pith_short_12: Y6AKFRJPP3VH · pith_short_16: Y6AKFRJPP3VH5ESM · pith_short_8: Y6AKFRJP

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/Y6AKFRJPP3VH5ESMDRNOX5AIEU \
  | 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: c780a2c52f7eea7e924c1c5aebf408253d95d821a3dd3703951d5f492840e18b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "901fa57deada731b0cd2418b00abb0f2318538c2098c2923d8e5de9707c18d11",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-04-25T14:10:30Z",
    "title_canon_sha256": "f02f980a8e17a2503943179234ea26e568b548e7d48121388abbdac0263affc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07587",
    "kind": "arxiv",
    "version": 1
  }
}