Pith Number

pith:V4BCNAUW

pith:2017:V4BCNAUWTYUU34WFUGKTFH6UJ2

not attested not anchored not stored refs pending

Compact difference scheme for parabolic and Schr\"odinger-type equations with variable coefficients

Evgenii Tsymbalov, Vladimir Gordin

arxiv:1712.05214 v2 · 2017-12-14 · math-ph · math.MP · 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{V4BCNAUWTYUU34WFUGKTFH6UJ2}

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	2026-05-18T00:00:59.617056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af022682969e294df2c5a195329fd44ea9ef9920a4721e7938a35b0dae60cd98

Aliases

arxiv: 1712.05214 · arxiv_version: 1712.05214v2 · doi: 10.48550/arxiv.1712.05214 · pith_short_12: V4BCNAUWTYUU · pith_short_16: V4BCNAUWTYUU34WF · pith_short_8: V4BCNAUW

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/V4BCNAUWTYUU34WFUGKTFH6UJ2 \
  | 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: af022682969e294df2c5a195329fd44ea9ef9920a4721e7938a35b0dae60cd98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00a2813ba1e0a7f964e374f1d16e9ca7b2d1feb8af57ef194e7f2f73938265a8",
    "cross_cats_sorted": [
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-12-14T13:26:07Z",
    "title_canon_sha256": "a42c304f3d0ba4d90a4f7d8395cc5ed516598ebe625ddece9177be893b0ed56b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05214",
    "kind": "arxiv",
    "version": 2
  }
}