Pith Number

pith:LUQOHXBN

pith:2012:LUQOHXBNUUANZQEERVZBOUJED5

not attested not anchored not stored refs pending

Some Remarks About the Semigroup Associated to Age-Structured Diffusive Populations

Christoph Walker

arxiv:1201.2589 v1 · 2012-01-12 · 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{LUQOHXBNUUANZQEERVZBOUJED5}

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	2026-05-18T04:04:44.068250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d20e3dc2da500dcc0848d721751241f480dfc6ef4b1d4e31308bdf8025deaee

Aliases

arxiv: 1201.2589 · arxiv_version: 1201.2589v1 · doi: 10.48550/arxiv.1201.2589 · pith_short_12: LUQOHXBNUUAN · pith_short_16: LUQOHXBNUUANZQEE · pith_short_8: LUQOHXBN

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/LUQOHXBNUUANZQEERVZBOUJED5 \
  | 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: 5d20e3dc2da500dcc0848d721751241f480dfc6ef4b1d4e31308bdf8025deaee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eac4433c51f158ec57b1605b16ba9f33a7d131bbceee5719907a7a3393294c63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-01-12T15:23:04Z",
    "title_canon_sha256": "f91e4fa90c2abd0c4eeb0e2bdd70b629dacc670411f1e273e85b793ceee98d2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2589",
    "kind": "arxiv",
    "version": 1
  }
}