Pith Number

pith:BNGACGAN

pith:2013:BNGACGANDZIFE6OGNW7XH6RGZB

not attested not anchored not stored refs pending

Hyperbolicity of linear partial differential equations with delay

Andr\'as B\'atkai

arxiv:1303.2731 v1 · 2013-03-12 · math.FA · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BNGACGANDZIFE6OGNW7XH6RGZB}

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	2026-05-18T03:31:08.248761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b4c01180d1e505279c66dbf73fa26c85dc745cfac0f74a51006339a17ed3c5f

Aliases

arxiv: 1303.2731 · arxiv_version: 1303.2731v1 · doi: 10.48550/arxiv.1303.2731 · pith_short_12: BNGACGANDZIF · pith_short_16: BNGACGANDZIFE6OG · pith_short_8: BNGACGAN

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/BNGACGANDZIFE6OGNW7XH6RGZB \
  | 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: 0b4c01180d1e505279c66dbf73fa26c85dc745cfac0f74a51006339a17ed3c5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ef9b18f7dd470052161d14260fb91763f55109f1fd27fdbeb39be5c7b3db675",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-03-12T00:28:12Z",
    "title_canon_sha256": "75f1e1a31bc7631b57cc0784fa90777c79c66f927e1d7fba30fdbf80990456e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2731",
    "kind": "arxiv",
    "version": 1
  }
}