Pith Number

pith:TH7KQOWB

pith:2017:TH7KQOWB2X32GKA4GO6Y2HLFSQ

not attested not anchored not stored refs pending

The configuration category of a product

Michael S. Weiss, Pedro Boavida de Brito

arxiv:1701.06987 v2 · 2017-01-24 · 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{TH7KQOWB2X32GKA4GO6Y2HLFSQ}

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	2026-05-18T00:29:46.463210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99fea83ac1d5f7a3281c33bd8d1d65941ef99e907c520f237fbc25f080974e7c

Aliases

arxiv: 1701.06987 · arxiv_version: 1701.06987v2 · doi: 10.48550/arxiv.1701.06987 · pith_short_12: TH7KQOWB2X32 · pith_short_16: TH7KQOWB2X32GKA4 · pith_short_8: TH7KQOWB

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/TH7KQOWB2X32GKA4GO6Y2HLFSQ \
  | 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: 99fea83ac1d5f7a3281c33bd8d1d65941ef99e907c520f237fbc25f080974e7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "300d5286afee8ab2bf5d5d55506b22910be7ec3100a127bf3a2ef4494a79ff64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-01-24T17:23:41Z",
    "title_canon_sha256": "29ea534b42e8efd2df1f3ed3cdfd76d786ebf976a5a9821f289c861ad9fce291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06987",
    "kind": "arxiv",
    "version": 2
  }
}