pith. sign in
Pith Number

pith:N7YTYNOI

pith:2013:N7YTYNOICOTC46WUZSQH54G7HD
not attested not anchored not stored refs pending

Randomness and Semi-measures

Christopher P. Porter, Laurent Bienvenu, Paul Shafer, Rupert H\"olzl

arxiv:1310.5133 v2 · 2013-10-18 · math.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{N7YTYNOICOTC46WUZSQH54G7HD}

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 2026-05-18T00:32:45.430793Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6ff13c35c813a62e7ad4cca07ef0df38ff2f1092168c36c48423e825c5cbc5c1

Aliases

arxiv: 1310.5133 · arxiv_version: 1310.5133v2 · doi: 10.48550/arxiv.1310.5133 · pith_short_12: N7YTYNOICOTC · pith_short_16: N7YTYNOICOTC46WU · pith_short_8: N7YTYNOI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/N7YTYNOICOTC46WUZSQH54G7HD \
  | 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: 6ff13c35c813a62e7ad4cca07ef0df38ff2f1092168c36c48423e825c5cbc5c1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7610bd72e7c9d30ebdd06189717a22210fc3fa6d5cd55c1ca7a65134c752f428",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-10-18T19:10:05Z",
    "title_canon_sha256": "4502fea0534281b0bcd507839f82dc52caa753163b6c4f25e44f9ef50c2d99a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5133",
    "kind": "arxiv",
    "version": 2
  }
}