Pith Number

pith:3U54O7B6

pith:2017:3U54O7B6ROGXBE3TEA775U2X3T

not attested not anchored not stored refs pending

Local regularity for fractional heat equations

Enrique Zuazua, Mahamadi Warma, Umberto Biccari

arxiv:1704.07562 v2 · 2017-04-25 · 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{3U54O7B6ROGXBE3TEA775U2X3T}

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	2026-05-18T00:44:06.747121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd3bc77c3e8b8d709373203ffed357dce113780f0a202d59792230226a08f412

Aliases

arxiv: 1704.07562 · arxiv_version: 1704.07562v2 · doi: 10.48550/arxiv.1704.07562 · pith_short_12: 3U54O7B6ROGX · pith_short_16: 3U54O7B6ROGXBE3T · pith_short_8: 3U54O7B6

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/3U54O7B6ROGXBE3TEA775U2X3T \
  | 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: dd3bc77c3e8b8d709373203ffed357dce113780f0a202d59792230226a08f412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed12cf23573f11b2105002fe8e379cf0d2555308f383d7b66acc0c02aebbc2ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-04-25T07:05:07Z",
    "title_canon_sha256": "58e3f600ccf23f3b0937a563092b856745eda8a5b090b6cc58c47c2decfd2f26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07562",
    "kind": "arxiv",
    "version": 2
  }
}