Pith Number

pith:CNZ7K6NG

pith:2021:CNZ7K6NGRGQCOR7PCID3P6JLDY

not attested not anchored not stored refs pending

Semilinear heat equations and parabolic variational inequalities on graphs

Yong Lin, Yuanyuan Xie

arxiv:2108.13007 v1 · 2021-08-30 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNZ7K6NGRGQCOR7PCID3P6JLDY}

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	2026-07-05T03:09:48.675519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1373f579a689a02747ef1207b7f92b1e31193cc8f58327c317a04f7173f49299

Aliases

arxiv: 2108.13007 · arxiv_version: 2108.13007v1 · doi: 10.48550/arxiv.2108.13007 · pith_short_12: CNZ7K6NGRGQC · pith_short_16: CNZ7K6NGRGQCOR7P · pith_short_8: CNZ7K6NG

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/CNZ7K6NGRGQCOR7PCID3P6JLDY \
  | 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: 1373f579a689a02747ef1207b7f92b1e31193cc8f58327c317a04f7173f49299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5008c8cd0b2ba5b1243029226bd4d5653570b19a5305ba2d1bc4b9100bd7035",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2021-08-30T06:34:12Z",
    "title_canon_sha256": "99965945ca3e7c9f90aa914b8e492a4085bb6b7c476f92358c3677f4bf011ccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13007",
    "kind": "arxiv",
    "version": 1
  }
}