Pith Number

pith:6XP3F4BM

pith:2015:6XP3F4BMDCHE76GUG2O3JWWOTV

not attested not anchored not stored refs pending

A uniformly accurate (UA) multiscale time integrator pseudospectral method for the Dirac equation in the nonrelativistic limit regime

Qinglin Tang, Weizhu Bao, Xiaowei Jia, Yongyong Cai

arxiv:1507.04103 v2 · 2015-07-15 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XP3F4BMDCHE76GUG2O3JWWOTV}

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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	2026-05-18T00:30:17.941348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5dfb2f02c188e4ff8d4369db4dace9d6d8af4cdd2123317674111e2277d9fbf

Aliases

arxiv: 1507.04103 · arxiv_version: 1507.04103v2 · doi: 10.48550/arxiv.1507.04103 · pith_short_12: 6XP3F4BMDCHE · pith_short_16: 6XP3F4BMDCHE76GU · pith_short_8: 6XP3F4BM

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/6XP3F4BMDCHE76GUG2O3JWWOTV \
  | 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: f5dfb2f02c188e4ff8d4369db4dace9d6d8af4cdd2123317674111e2277d9fbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f62b0bf9f96a8f9469d0de989af84f37861a102b73b410a1bb1745bea6d5d334",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-15T07:02:14Z",
    "title_canon_sha256": "a36ec32528d5151359df6adb119296f96eaf545b30c11665ca823f404a46b669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04103",
    "kind": "arxiv",
    "version": 2
  }
}