Pith Number

pith:UGGTDOEY

pith:2019:UGGTDOEY6TZN4KXIJF2NPCZHVM

not attested not anchored not stored refs pending

Markov chains with exponential return times are finitary

Omer Angel, Yinon Spinka

arxiv:1908.06240 v1 · 2019-08-17 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGGTDOEY6TZN4KXIJF2NPCZHVM}

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	2026-07-05T06:22:51.647608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a18d31b898f4f2de2ae84974d78b27ab357d7466eb2cec5b0238be19e2d0df90

Aliases

arxiv: 1908.06240 · arxiv_version: 1908.06240v1 · doi: 10.48550/arxiv.1908.06240 · pith_short_12: UGGTDOEY6TZN · pith_short_16: UGGTDOEY6TZN4KXI · pith_short_8: UGGTDOEY

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/UGGTDOEY6TZN4KXIJF2NPCZHVM \
  | 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: a18d31b898f4f2de2ae84974d78b27ab357d7466eb2cec5b0238be19e2d0df90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fae1cc2a9915c6363e0eaf6500cfde17a9fca156ba93df141fbe9c2c6ccf89e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-08-17T04:43:59Z",
    "title_canon_sha256": "e066b730796ff1b7de63ff6b2f2b2346b44d4200a9fa96b2d2948681199812fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06240",
    "kind": "arxiv",
    "version": 1
  }
}