Pith Number

pith:HL7LLO2K

pith:2014:HL7LLO2KVQFQZSFGVOYRFE3A2L

not attested not anchored not stored refs pending

On the heat equation with nonlinearity and singular anisotropic potential on the boundary

Juliana C. Precioso, Lucas C.F. Ferreira, Marcelo F. de Almeida

arxiv:1408.6622 v4 · 2014-08-28 · 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{HL7LLO2KVQFQZSFGVOYRFE3A2L}

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	2026-05-18T02:30:17.691677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3afeb5bb4aac0b0cc8a6abb1129360d2d2a9998ef25109f577c44028af76d8d7

Aliases

arxiv: 1408.6622 · arxiv_version: 1408.6622v4 · doi: 10.48550/arxiv.1408.6622 · pith_short_12: HL7LLO2KVQFQ · pith_short_16: HL7LLO2KVQFQZSFG · pith_short_8: HL7LLO2K

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/HL7LLO2KVQFQZSFGVOYRFE3A2L \
  | 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: 3afeb5bb4aac0b0cc8a6abb1129360d2d2a9998ef25109f577c44028af76d8d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf770dc4416592170ac63f61102816bec6dedfb6aafccb54e9a5f5089d5c8802",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-08-28T03:39:16Z",
    "title_canon_sha256": "111b9f8ba0da47876958f429e24f959035384123e0854925fc5129ca7e28c849"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6622",
    "kind": "arxiv",
    "version": 4
  }
}