Pith Number

pith:QDZIWZI2

pith:2014:QDZIWZI2S7D7DC7CINQR5CFAQZ

not attested not anchored not stored refs pending

Estimating the transition matrix of a Markov chain observed at random times

Flavia Barsotti, Paul Rochet (LMJL), Thibault Espinasse (ICJ), Yohann de Castro (LM-Orsay)

arxiv:1405.0384 v1 · 2014-05-02 · math.ST · stat.ME · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDZIWZI2S7D7DC7CINQR5CFAQZ}

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	2026-05-18T02:52:48.075870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f28b651a97c7f18be243611e88a086736388fd09f9146fa060639124d4a55f

Aliases

arxiv: 1405.0384 · arxiv_version: 1405.0384v1 · doi: 10.48550/arxiv.1405.0384 · pith_short_12: QDZIWZI2S7D7 · pith_short_16: QDZIWZI2S7D7DC7C · pith_short_8: QDZIWZI2

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/QDZIWZI2S7D7DC7CINQR5CFAQZ \
  | 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: 80f28b651a97c7f18be243611e88a086736388fd09f9146fa060639124d4a55f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46a0591bc90ce6cdb4685f1b733d3f76ed63df0e0588fb15ae1020389074bf06",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-05-02T11:39:27Z",
    "title_canon_sha256": "968efc0a30981e4a5ad4860862c64e4f244bd4201558164ac0c51a47e3fb9e31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0384",
    "kind": "arxiv",
    "version": 1
  }
}