Pith Number

pith:O6Q2CDLQ

pith:2011:O6Q2CDLQDMGHBPBJXL6ZC4RM5W

not attested not anchored not stored refs pending

Additive schemes (splitting schemes) for some systems of evolutionary equations

Petr N. Vabishchevich

arxiv:1112.1294 v1 · 2011-12-06 · cs.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{O6Q2CDLQDMGHBPBJXL6ZC4RM5W}

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	2026-05-18T04:06:55.774283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77a1a10d701b0c70bc29bafd91722ced83329cc3730ee594b997c5f6aa2a5fd8

Aliases

arxiv: 1112.1294 · arxiv_version: 1112.1294v1 · doi: 10.48550/arxiv.1112.1294 · pith_short_12: O6Q2CDLQDMGH · pith_short_16: O6Q2CDLQDMGHBPBJ · pith_short_8: O6Q2CDLQ

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/O6Q2CDLQDMGHBPBJXL6ZC4RM5W \
  | 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: 77a1a10d701b0c70bc29bafd91722ced83329cc3730ee594b997c5f6aa2a5fd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad8b20e26c7e1d5cebdcc5cafb6af1f125e63d65b44f6ce422efbbded012907",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2011-12-06T14:42:14Z",
    "title_canon_sha256": "a1cd87280b6fa4ecde0c929e2efc35502af8181ee20f7e8af231267017ba6d9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1294",
    "kind": "arxiv",
    "version": 1
  }
}