Pith Number

pith:7HTI2ZED

pith:2019:7HTI2ZEDQQD6TQK74E4XNMNGKE

not attested not anchored not stored refs pending

Existence and regularity results for viscous Hamilton-Jacobi equations with Caputo time-fractional derivative

Alessandro Goffi, Fabio Camilli

arxiv:1906.01338 v2 · 2019-06-04 · 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{7HTI2ZEDQQD6TQK74E4XNMNGKE}

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	2026-07-05T00:43:19.266301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e68d64838407e9c15fe13976b1a6513d1dc41b715a04125ce5b72778ea639c

Aliases

arxiv: 1906.01338 · arxiv_version: 1906.01338v2 · doi: 10.48550/arxiv.1906.01338 · pith_short_12: 7HTI2ZEDQQD6 · pith_short_16: 7HTI2ZEDQQD6TQK7 · pith_short_8: 7HTI2ZED

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/7HTI2ZEDQQD6TQK74E4XNMNGKE \
  | 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: f9e68d64838407e9c15fe13976b1a6513d1dc41b715a04125ce5b72778ea639c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e3f3ebab58adcfc3cd57e3bf995aa232dbc5f2e88131516247e8ba57cccd7bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-06-04T10:55:25Z",
    "title_canon_sha256": "da071c6c9c51375d8e668b664bbd16813b5045023768d6e06003e9a28540059e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01338",
    "kind": "arxiv",
    "version": 2
  }
}