Pith Number

pith:WHDWFDPA

pith:2016:WHDWFDPA3LCHITHORMXYYO4DLQ

not attested not anchored not stored refs pending

Localization and sheaves of glider representations

Frederik Caenepeel, Fred van Oystaeyen

arxiv:1602.05338 v2 · 2016-02-17 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WHDWFDPA3LCHITHORMXYYO4DLQ}

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	2026-05-18T01:11:03.307167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1c7628de0dac4744cee8b2f8c3b835c361e94ac1ad2b73680334d55a8d30d40

Aliases

arxiv: 1602.05338 · arxiv_version: 1602.05338v2 · doi: 10.48550/arxiv.1602.05338 · pith_short_12: WHDWFDPA3LCH · pith_short_16: WHDWFDPA3LCHITHO · pith_short_8: WHDWFDPA

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/WHDWFDPA3LCHITHORMXYYO4DLQ \
  | 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: b1c7628de0dac4744cee8b2f8c3b835c361e94ac1ad2b73680334d55a8d30d40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea97f653907733e86e2245fa4220d5e05c40075af5c43703d9fde0a47bff0549",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-02-17T09:14:48Z",
    "title_canon_sha256": "0382ef4fc965f75b79024253517b98de992e07f31424a620d6f1429d404d81a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05338",
    "kind": "arxiv",
    "version": 2
  }
}