Pith Number

pith:32FQCK2W

pith:2017:32FQCK2WWPY5ALVRLCYEA4IBQV

not attested not anchored not stored refs pending

The Best-or-Worst and the Postdoc problems

A.M. Oller-Marcen, J.M. Grau, L. Bayon, M.M. Ruiz, P. Fortuny Ayuso

arxiv:1706.07185 v1 · 2017-06-22 · 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{32FQCK2WWPY5ALVRLCYEA4IBQV}

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	2026-05-18T00:41:52.408002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de8b012b56b3f1d02eb158b0407101857fedf66d4b538335ac22305453d5efcd

Aliases

arxiv: 1706.07185 · arxiv_version: 1706.07185v1 · doi: 10.48550/arxiv.1706.07185 · pith_short_12: 32FQCK2WWPY5 · pith_short_16: 32FQCK2WWPY5ALVR · pith_short_8: 32FQCK2W

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/32FQCK2WWPY5ALVRLCYEA4IBQV \
  | 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: de8b012b56b3f1d02eb158b0407101857fedf66d4b538335ac22305453d5efcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "408bfcf2518446ce4f96ebd92f65b9df24be95b0418034825a4f72e9b401b55d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2017-06-22T07:21:23Z",
    "title_canon_sha256": "00b3cc248c256b29689b2759cf8c5c08178684f0e9f76016f4bcb55d6d3dcf8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07185",
    "kind": "arxiv",
    "version": 1
  }
}