Pith Number

pith:T4B5RD4A

pith:2010:T4B5RD4AMAM2UFIBVCIPX5S56P

not attested not anchored not stored refs pending

Boundary value problem for a classical semilinear parabolic equation

Li Ma

arxiv:1012.5861 v1 · 2010-12-29 · 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{T4B5RD4AMAM2UFIBVCIPX5S56P}

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	2026-05-18T04:32:21.321721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f03d88f806019aa1501a890fbf65df3e60977b0485eda2c10a969019c841cde

Aliases

arxiv: 1012.5861 · arxiv_version: 1012.5861v1 · doi: 10.48550/arxiv.1012.5861 · pith_short_12: T4B5RD4AMAM2 · pith_short_16: T4B5RD4AMAM2UFIB · pith_short_8: T4B5RD4A

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/T4B5RD4AMAM2UFIBVCIPX5S56P \
  | 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: 9f03d88f806019aa1501a890fbf65df3e60977b0485eda2c10a969019c841cde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce9fd2cde2c2263583ef9f031f2773d7144e433c1dea42361e609da6cf2e5620",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-12-29T02:42:26Z",
    "title_canon_sha256": "b26db4f05211068e550ee162023c519b8639842aa26918214c4425a34ae7d293"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5861",
    "kind": "arxiv",
    "version": 1
  }
}