Pith Number

pith:3INFU43I

pith:2016:3INFU43IIG6LORWBF3UX7VDIQD

not attested not anchored not stored refs pending

A simple characterization of positivity preserving semi-linear parabolic systems

Alain Haraux (LJLL)

arxiv:1610.09909 v1 · 2016-10-31 · 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{3INFU43IIG6LORWBF3UX7VDIQD}

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	2026-05-18T01:00:46.919802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da1a5a736841bcb746c12ee97fd46880db8b1cf5fb1fa1d6d70fd4a32caf09c9

Aliases

arxiv: 1610.09909 · arxiv_version: 1610.09909v1 · doi: 10.48550/arxiv.1610.09909 · pith_short_12: 3INFU43IIG6L · pith_short_16: 3INFU43IIG6LORWB · pith_short_8: 3INFU43I

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/3INFU43IIG6LORWBF3UX7VDIQD \
  | 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: da1a5a736841bcb746c12ee97fd46880db8b1cf5fb1fa1d6d70fd4a32caf09c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8f56c98688de4d82f106035b600d4a5645eb969fcc7c2be36f7460bf0792824",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-10-31T13:17:05Z",
    "title_canon_sha256": "b5ffa36d348370fb4895a878feae9c66ac6fe9027b2225382c5c58d2e0848513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.09909",
    "kind": "arxiv",
    "version": 1
  }
}