Pith Number

pith:QIB3IS26

pith:2017:QIB3IS26WAPOAQDH3XRNVAAUN7

not attested not anchored not stored refs pending

Compact difference schemes for weakly-nonlinear parabolic and Schrodinger-type equations and systems

Evgenii Tsymbalov, Vladimir Gordin

arxiv:1712.05185 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{QIB3IS26WAPOAQDH3XRNVAAUN7}

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	2026-05-17T23:57:21.723213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8203b44b5eb01ee04067dde2da80146fc403933100af4e8c3d4ee207e81f8cf9

Aliases

arxiv: 1712.05185 · arxiv_version: 1712.05185v2 · doi: 10.48550/arxiv.1712.05185 · pith_short_12: QIB3IS26WAPO · pith_short_16: QIB3IS26WAPOAQDH · pith_short_8: QIB3IS26

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/QIB3IS26WAPOAQDH3XRNVAAUN7 \
  | 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: 8203b44b5eb01ee04067dde2da80146fc403933100af4e8c3d4ee207e81f8cf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aaa42dbe55f349015f77a788adba30ee1d4820bc4d2754cc166b146ace59a2a",
    "cross_cats_sorted": [
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-12-14T11:43:59Z",
    "title_canon_sha256": "a274653cd741c185297431ce2ba9aa39ca5ea2537a517d361a7a93ab0f757681"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05185",
    "kind": "arxiv",
    "version": 2
  }
}