Pith Number

pith:TO2472NN

pith:2012:TO2472NNQ6WIKWSNL7SI7X6XDB

not attested not anchored not stored refs pending

Semi- and Non-relativistic Limit of the Dirac Dynamics with External Fields

Martin F\"urst, Max Lein

arxiv:1204.3489 v2 · 2012-04-16 · math-ph · 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{TO2472NNQ6WIKWSNL7SI7X6XDB}

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	2026-05-18T02:24:36.127765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bb5cfe9ad87ac855a4d5fe48fdfd7184af728a35dd455b303c5cb6050e5edf3

Aliases

arxiv: 1204.3489 · arxiv_version: 1204.3489v2 · doi: 10.48550/arxiv.1204.3489 · pith_short_12: TO2472NNQ6WI · pith_short_16: TO2472NNQ6WIKWSN · pith_short_8: TO2472NN

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/TO2472NNQ6WIKWSNL7SI7X6XDB \
  | 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: 9bb5cfe9ad87ac855a4d5fe48fdfd7184af728a35dd455b303c5cb6050e5edf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0e23e8d383553095279e0cbb9276468f51cfe21b2108d71a7d57ac5ffc57917",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-04-16T14:01:13Z",
    "title_canon_sha256": "5833809863759da74ce612b437406e3b61ae41f92b6feafd420e5a31e7be962f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3489",
    "kind": "arxiv",
    "version": 2
  }
}