Pith Number

pith:GWM7BNRX

pith:2014:GWM7BNRXGEKDJCVF2CTIDLZN5O

not attested not anchored not stored refs pending

A new model for pro-categories

Ilan Barnea, Tomer M. Schlank

arxiv:1406.6229 v1 · 2014-06-24 · math.CT · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWM7BNRXGEKDJCVF2CTIDLZN5O}

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	2026-05-18T02:49:03.841838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3599f0b6373114348aa5d0a681af2deb973527995b0ed2bdc3859e32eb58300c

Aliases

arxiv: 1406.6229 · arxiv_version: 1406.6229v1 · doi: 10.48550/arxiv.1406.6229 · pith_short_12: GWM7BNRXGEKD · pith_short_16: GWM7BNRXGEKDJCVF · pith_short_8: GWM7BNRX

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/GWM7BNRXGEKDJCVF2CTIDLZN5O \
  | 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: 3599f0b6373114348aa5d0a681af2deb973527995b0ed2bdc3859e32eb58300c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc343ee88f94921aaa938d42e61e00ed79be8f99da7cc6d1857ddb2faffd5367",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2014-06-24T13:25:32Z",
    "title_canon_sha256": "19f835f16c2212e181a12b59b1840dc9c8011233528494009b689d1fe3ed5fef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6229",
    "kind": "arxiv",
    "version": 1
  }
}