Pith Number

pith:2FREO6MD

pith:2019:2FREO6MDOBFSRWZRTERGC74DMC

not attested not anchored not stored refs pending

Extrapolation and sampling for processes on spatial graphs

Nikolai Dokuchaev

arxiv:1908.07212 v3 · 2019-08-20 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FREO6MDOBFSRWZRTERGC74DMC}

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	2026-07-05T04:22:36.396344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d162477983704b28db319922617f8360b5760420c9c808c3692f6c947c6407a7

Aliases

arxiv: 1908.07212 · arxiv_version: 1908.07212v3 · doi: 10.48550/arxiv.1908.07212 · pith_short_12: 2FREO6MDOBFS · pith_short_16: 2FREO6MDOBFSRWZR · pith_short_8: 2FREO6MD

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/2FREO6MDOBFSRWZRTERGC74DMC \
  | 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: d162477983704b28db319922617f8360b5760420c9c808c3692f6c947c6407a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de86aa39d3a29a0fb62b71b6ad4a6502a26935b34ee9d3a3ede53b2f5d138040",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-08-20T08:13:39Z",
    "title_canon_sha256": "5df981408bb25b0ba15f64bc287bde295243c101315be088512fcc9bbbf8107c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07212",
    "kind": "arxiv",
    "version": 3
  }
}