Pith Number

pith:NCP4HDKJ

pith:2010:NCP4HDKJ6ZIOPFB25ESEA7OH6J

not attested not anchored not stored refs pending

Monotone traveling wavefronts of the KPP-Fisher delayed equation

Adrian Gomez, Sergei Trofimchuk

arxiv:1001.3499 v1 · 2010-01-20 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCP4HDKJ6ZIOPFB25ESEA7OH6J}

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	2026-05-18T04:11:29.050273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

689fc38d49f650e7943ae924407dc7f26862e70b4b30901c3f2edbb49e7639eb

Aliases

arxiv: 1001.3499 · arxiv_version: 1001.3499v1 · doi: 10.48550/arxiv.1001.3499 · pith_short_12: NCP4HDKJ6ZIO · pith_short_16: NCP4HDKJ6ZIOPFB2 · pith_short_8: NCP4HDKJ

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/NCP4HDKJ6ZIOPFB25ESEA7OH6J \
  | 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: 689fc38d49f650e7943ae924407dc7f26862e70b4b30901c3f2edbb49e7639eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2be2945204c8158f05f7fea40e0386f67111137e99938d287660ce93b6704ab2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2010-01-20T18:17:19Z",
    "title_canon_sha256": "9dd9f5214ea7b0d8862918367ed06b59ae4f1cf4c1b23b78f1cf6680c481e43f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3499",
    "kind": "arxiv",
    "version": 1
  }
}