Pith Number

pith:SS4MU5AP

pith:2014:SS4MU5APRJLUW7Q7FTFE3QTRW6

not attested not anchored not stored refs pending

A classification of small linear functors

Boris Chorny

arxiv:1409.8525 v2 · 2014-09-30 · 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{SS4MU5APRJLUW7Q7FTFE3QTRW6}

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	2026-05-18T01:29:59.335307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94b8ca740f8a574b7e1f2cca4dc271b7afb221b2d0b61bcc9c4ba9b992d0006f

Aliases

arxiv: 1409.8525 · arxiv_version: 1409.8525v2 · doi: 10.48550/arxiv.1409.8525 · pith_short_12: SS4MU5APRJLU · pith_short_16: SS4MU5APRJLUW7Q7 · pith_short_8: SS4MU5AP

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/SS4MU5APRJLUW7Q7FTFE3QTRW6 \
  | 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: 94b8ca740f8a574b7e1f2cca4dc271b7afb221b2d0b61bcc9c4ba9b992d0006f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf7585485ec8b09c73121bd3cbb73e1580a12c0164bc61711ddc77e2d5f5a303",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-09-30T12:55:09Z",
    "title_canon_sha256": "f66c84beee4b872ce987fd69b2863c943bba17796cad3787af412ba4629b283f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8525",
    "kind": "arxiv",
    "version": 2
  }
}