Pith Number

pith:NJCBKHV4

pith:2013:NJCBKHV4XSP3RJTWNTTQYNJJ6U

not attested not anchored not stored refs pending

Single-cone real-space finite difference scheme for the time-dependent Dirac equation

Anton Arnold, Ren\'e Hammer, Walter P\"otz

arxiv:1309.3452 v2 · 2013-09-13 · physics.comp-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{NJCBKHV4XSP3RJTWNTTQYNJJ6U}

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	2026-05-18T01:55:53.615070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a44151ebcbc9fb8a6766ce70c3529f5228c5cea2799d678f7959eab0a83708a

Aliases

arxiv: 1309.3452 · arxiv_version: 1309.3452v2 · doi: 10.48550/arxiv.1309.3452 · pith_short_12: NJCBKHV4XSP3 · pith_short_16: NJCBKHV4XSP3RJTW · pith_short_8: NJCBKHV4

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/NJCBKHV4XSP3RJTWNTTQYNJJ6U \
  | 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: 6a44151ebcbc9fb8a6766ce70c3529f5228c5cea2799d678f7959eab0a83708a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f039624d4a3fd741508d669f96875c5d71c15d459e35fc5abb503f3c8dfd11f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2013-09-13T13:41:24Z",
    "title_canon_sha256": "530dc40c2a531156de21d4ae79a9c3a4000911019b99bf8156c62c51324d7cc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3452",
    "kind": "arxiv",
    "version": 2
  }
}