Pith Number

pith:A6JTIRD3

pith:2014:A6JTIRD3XXC4O37OYMTHG6EQH4

not attested not anchored not stored refs pending

Algorithmic identification of probabilities is hard

Alexander Shen, Benoit Monin, Laurent Bienvenu, Santiago Figueira

arxiv:1405.5139 v4 · 2014-05-20 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6JTIRD3XXC4O37OYMTHG6EQH4}

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	2026-05-18T00:03:00.706498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

079334447bbdc5c76feec3267378903f1904c3883bf83acc8ac2228e59871924

Aliases

arxiv: 1405.5139 · arxiv_version: 1405.5139v4 · doi: 10.48550/arxiv.1405.5139 · pith_short_12: A6JTIRD3XXC4 · pith_short_16: A6JTIRD3XXC4O37O · pith_short_8: A6JTIRD3

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/A6JTIRD3XXC4O37OYMTHG6EQH4 \
  | 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: 079334447bbdc5c76feec3267378903f1904c3883bf83acc8ac2228e59871924

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e1e46579fb1de6e2627bab1a8b275cb794993030fc7fd05d1e4e313dfd7d323",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-05-20T16:10:19Z",
    "title_canon_sha256": "c7ab9ef9a18befe36b8d67ec3f667dd5ff16535d9bfc7709120a396802f2464e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5139",
    "kind": "arxiv",
    "version": 4
  }
}