Pith Number

pith:3N7TLGTN

pith:2011:3N7TLGTNQ4BASLFKPFXPRZDEDC

not attested not anchored not stored refs pending

Electrodynamics from Noncommutative Geometry

Koen van den Dungen, Walter D. van Suijlekom

arxiv:1103.2928 v1 · 2011-03-15 · math-ph · hep-th · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3N7TLGTNQ4BASLFKPFXPRZDEDC}

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	2026-05-18T03:25:04.430233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db7f359a6d8702092caa796ef8e464189af58173e3a6387e53b68d776cb62070

Aliases

arxiv: 1103.2928 · arxiv_version: 1103.2928v1 · doi: 10.48550/arxiv.1103.2928 · pith_short_12: 3N7TLGTNQ4BA · pith_short_16: 3N7TLGTNQ4BASLFK · pith_short_8: 3N7TLGTN

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/3N7TLGTNQ4BASLFKPFXPRZDEDC \
  | 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: db7f359a6d8702092caa796ef8e464189af58173e3a6387e53b68d776cb62070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab3a1b8d8c19dc60301f07458726058ea5c9a7856282ee4eb88a9f41b16bace2",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-03-15T15:00:23Z",
    "title_canon_sha256": "c2727b9ea57ba36280541683c3a115916dee76077772cabc9faaf98ea381ab0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2928",
    "kind": "arxiv",
    "version": 1
  }
}