Pith Number

pith:562R54QN

pith:2011:562R54QNGQJEWO6CJYS4MSWQHT

not attested not anchored not stored refs pending

Some observations on "A new proof of a theorem of Jayne and Rogers"

Brian Semmes, Luca Motto Ros, Miroslav Ka\v{c}ena

arxiv:1112.0350 v2 · 2011-12-01 · math.LO · 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{562R54QNGQJEWO6CJYS4MSWQHT}

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	2026-05-18T03:57:14.098667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efb51ef20d34124b3bc24e25c64ad03ce659baa953b669128711910cb35151f6

Aliases

arxiv: 1112.0350 · arxiv_version: 1112.0350v2 · doi: 10.48550/arxiv.1112.0350 · pith_short_12: 562R54QNGQJE · pith_short_16: 562R54QNGQJEWO6C · pith_short_8: 562R54QN

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/562R54QNGQJEWO6CJYS4MSWQHT \
  | 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: efb51ef20d34124b3bc24e25c64ad03ce659baa953b669128711910cb35151f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "254561fca12afeb7b38021d8c2da319ff5e3e78774e1fdac523357345b0570fd",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-12-01T22:45:02Z",
    "title_canon_sha256": "dbf6d1d39da7b6b0d1b5c2ff88e2447d9287ce48f19c7dbaeb8dfd23afae3498"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0350",
    "kind": "arxiv",
    "version": 2
  }
}