Pith Number

pith:E2F4TPS7

pith:2020:E2F4TPS7YGRME7SBIO4E5JQ35F

not attested not anchored not stored refs pending

Diagrams, Fibrations, and the Decomposition of Colimits

George Peschke, Walter Tholen

arxiv:2006.10890 v4 · 2020-06-18 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2F4TPS7YGRME7SBIO4E5JQ35F}

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.

Cited by

1 paper in Pith

Note on factorization categories

Receipt and verification

First computed	2026-07-05T02:20:55.452099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

268bc9be5fc1a2c27e4143b84ea61be95389f94c0150e3cb0958e0716b893fb2

Aliases

arxiv: 2006.10890 · arxiv_version: 2006.10890v4 · doi: 10.48550/arxiv.2006.10890 · pith_short_12: E2F4TPS7YGRM · pith_short_16: E2F4TPS7YGRME7SB · pith_short_8: E2F4TPS7

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/E2F4TPS7YGRME7SBIO4E5JQ35F \
  | 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: 268bc9be5fc1a2c27e4143b84ea61be95389f94c0150e3cb0958e0716b893fb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52e46baff6a62251cb94219e1ef0a998e16ae12f0a7529003831208f36c2f633",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2020-06-18T22:57:30Z",
    "title_canon_sha256": "aa8d5f96558fb8196d33f30412da735052095f57dac5fde5447cfe3e28a1b1bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.10890",
    "kind": "arxiv",
    "version": 4
  }
}