Pith Number

pith:UDKFAQYH

pith:2011:UDKFAQYHOTEY5MQKZLP2KYS7EM

not attested not anchored not stored refs pending

Proper forcing remastered

Boban Velickovic, Giorgio Venturi

arxiv:1110.0610 v3 · 2011-10-04 · 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{UDKFAQYHOTEY5MQKZLP2KYS7EM}

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	2026-05-18T03:28:43.044769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0d450430774c98eb20acadfa5625f2305a51e67c68cbea0ffbf147303956362

Aliases

arxiv: 1110.0610 · arxiv_version: 1110.0610v3 · doi: 10.48550/arxiv.1110.0610 · pith_short_12: UDKFAQYHOTEY · pith_short_16: UDKFAQYHOTEY5MQK · pith_short_8: UDKFAQYH

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/UDKFAQYHOTEY5MQKZLP2KYS7EM \
  | 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: a0d450430774c98eb20acadfa5625f2305a51e67c68cbea0ffbf147303956362

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d845722972831143fa0b0d4428f2fac4d22ae9151000d4dccc705c8afadec92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-10-04T08:57:22Z",
    "title_canon_sha256": "5896b9a6f99e5abb5e067906aa47224e76f00c516b3c278f6bdd68922e5a3975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0610",
    "kind": "arxiv",
    "version": 3
  }
}