Pith Number

pith:UJBTJTGH

pith:2012:UJBTJTGHWFLME5WW2BWERSHLBK

not attested not anchored not stored refs pending

Selected results on selection principles

Ljubisa D.R. Kocinac

arxiv:1201.1576 v1 · 2012-01-07 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJBTJTGHWFLME5WW2BWERSHLBK}

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	2026-05-18T04:05:03.050139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a24334ccc7b156c276d6d06c48c8eb0abbf536536796bb0fb23c8869165239d2

Aliases

arxiv: 1201.1576 · arxiv_version: 1201.1576v1 · doi: 10.48550/arxiv.1201.1576 · pith_short_12: UJBTJTGHWFLM · pith_short_16: UJBTJTGHWFLME5WW · pith_short_8: UJBTJTGH

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/UJBTJTGHWFLME5WW2BWERSHLBK \
  | 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: a24334ccc7b156c276d6d06c48c8eb0abbf536536796bb0fb23c8869165239d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5cdec0cfee4cccd04c3ed6eaf137aed73d1c84aace948c4bc2734a74f95f20f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2012-01-07T17:14:19Z",
    "title_canon_sha256": "055f9bac5b875419c55ac00490c4792a0d4090426a0e93c7f4dec9e909d99e79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1576",
    "kind": "arxiv",
    "version": 1
  }
}