Pith Number

pith:FA2VPK2H

pith:2018:FA2VPK2HQFSHUQ22233VOQPXDM

not attested not anchored not stored refs pending

Local regularity for quasi-linear parabolic equations in non-divergence form

Amal Attouchi

arxiv:1809.03241 v1 · 2018-09-10 · 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{FA2VPK2HQFSHUQ22233VOQPXDM}

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	2026-05-18T00:06:09.526577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

283557ab4781647a435ad6f75741f71b39a1cf5bdf93383590182a2b4f5f864c

Aliases

arxiv: 1809.03241 · arxiv_version: 1809.03241v1 · doi: 10.48550/arxiv.1809.03241 · pith_short_12: FA2VPK2HQFSH · pith_short_16: FA2VPK2HQFSHUQ22 · pith_short_8: FA2VPK2H

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/FA2VPK2HQFSHUQ22233VOQPXDM \
  | 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: 283557ab4781647a435ad6f75741f71b39a1cf5bdf93383590182a2b4f5f864c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61e512199d3978dca9318357db739b875b84a8cc53d06394292038327a06a486",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-10T11:36:04Z",
    "title_canon_sha256": "9b5e77e6569a989a2c95a35de870549dc7276bf8408bee2cc1698b245ce4c044"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03241",
    "kind": "arxiv",
    "version": 1
  }
}