Pith Number

pith:FEJVMPLA

pith:2010:FEJVMPLAMFMIJSBLKPQGPIZG4Q

not attested not anchored not stored refs pending

Obstructions to a general characterization of graph correspondences

John Quigg, Nura Patani, S. Kaliszewski

arxiv:1010.3185 v2 · 2010-10-15 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEJVMPLAMFMIJSBLKPQGPIZG4Q}

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	2026-05-18T03:02:44.343116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2913563d60615884c82b53e067a326e427566818d676805e426c95ef4408ad37

Aliases

arxiv: 1010.3185 · arxiv_version: 1010.3185v2 · doi: 10.48550/arxiv.1010.3185 · pith_short_12: FEJVMPLAMFMI · pith_short_16: FEJVMPLAMFMIJSBL · pith_short_8: FEJVMPLA

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/FEJVMPLAMFMIJSBLKPQGPIZG4Q \
  | 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: 2913563d60615884c82b53e067a326e427566818d676805e426c95ef4408ad37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f32af92fb59b487920a4d56732c64e729468141bc5da2b615c487a561503d85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2010-10-15T14:41:25Z",
    "title_canon_sha256": "67d1bc16fcc20280bf708a2a5262373e33e3aaa0d19053a082f7dabf29ca9af1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3185",
    "kind": "arxiv",
    "version": 2
  }
}