Pith Number

pith:J77C2DAR

pith:2013:J77C2DAR7QPUNESMUVY6H2EGDB

not attested not anchored not stored refs pending

Explicit schemes for parabolic and hyperbolic equations

Petr N. Vabishchevich

arxiv:1310.4046 v1 · 2013-10-15 · 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{J77C2DAR7QPUNESMUVY6H2EGDB}

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	2026-05-18T03:10:25.256885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ffe2d0c11fc1f46924ca571e3e88618639337e98c9b40621d50e54fd4bd0f10

Aliases

arxiv: 1310.4046 · arxiv_version: 1310.4046v1 · doi: 10.48550/arxiv.1310.4046 · pith_short_12: J77C2DAR7QPU · pith_short_16: J77C2DAR7QPUNESM · pith_short_8: J77C2DAR

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/J77C2DAR7QPUNESMUVY6H2EGDB \
  | 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: 4ffe2d0c11fc1f46924ca571e3e88618639337e98c9b40621d50e54fd4bd0f10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acfe0170bb55ae873137d0c39b32e3577672c7bccdeea7ea20119283ac899acf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2013-10-15T13:20:52Z",
    "title_canon_sha256": "f3a671b01c428dda3f5a2dc128990bb04e3590152ae33b4398e7f67a381687dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4046",
    "kind": "arxiv",
    "version": 1
  }
}