Pith Number

pith:MEBPC6JF

pith:2011:MEBPC6JF2BMB3SZVEN7T53OWAT

not attested not anchored not stored refs pending

Sojourn Times and the Fragility Index

Martin Hofmann, Michael Falk

arxiv:1107.5696 v2 · 2011-07-28 · 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{MEBPC6JF2BMB3SZVEN7T53OWAT}

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	2026-05-18T04:05:48.289598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6102f17925d0581dcb35237f3eedd604fff09b1674dea9fb88c66f7a2e9c77c6

Aliases

arxiv: 1107.5696 · arxiv_version: 1107.5696v2 · doi: 10.48550/arxiv.1107.5696 · pith_short_12: MEBPC6JF2BMB · pith_short_16: MEBPC6JF2BMB3SZV · pith_short_8: MEBPC6JF

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/MEBPC6JF2BMB3SZVEN7T53OWAT \
  | 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: 6102f17925d0581dcb35237f3eedd604fff09b1674dea9fb88c66f7a2e9c77c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "874d84121ad403c0e4258bb01903a622bc0d4759e870ee84c43aa056d49b7ca5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2011-07-28T12:46:15Z",
    "title_canon_sha256": "4fadce9ea69adfff69e7d8dfcfd8561707cd70af860d7c756dc0c7b1b930f585"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5696",
    "kind": "arxiv",
    "version": 2
  }
}