Pith Number

pith:LJOY7G6E

pith:2004:LJOY7G6E3Y72C42XRXHJANLVJ4

not attested not anchored not stored refs pending

Unipolar components travelling at the speed of light in vacuo

C. Varin, M. Pich\'e

arxiv:physics/0412038 v2 · 2004-12-06 · physics.class-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{LJOY7G6E3Y72C42XRXHJANLVJ4}

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	2026-05-18T04:01:23.911729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a5d8f9bc4de3fa173578dce9035754f07de5584bcdd623f9ad5f58ddf6b341d

Aliases

arxiv: physics/0412038 · arxiv_version: physics/0412038v2 · doi: 10.48550/arxiv.physics/0412038 · pith_short_12: LJOY7G6E3Y72 · pith_short_16: LJOY7G6E3Y72C42X · pith_short_8: LJOY7G6E

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/LJOY7G6E3Y72C42XRXHJANLVJ4 \
  | 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: 5a5d8f9bc4de3fa173578dce9035754f07de5584bcdd623f9ad5f58ddf6b341d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6914de333e268216e9350bf9cb3811be9ae5a79d58dd16354292030e7b3c789",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2004-12-06T20:17:43Z",
    "title_canon_sha256": "268b4815fd4233bec459019a56a6b444b31c9d232b2341b447ef0ee5668f86c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0412038",
    "kind": "arxiv",
    "version": 2
  }
}