Pith Number

pith:GLVC3BDT

pith:2012:GLVC3BDTNQ64JLL3QL7SKLX7O2

not attested not anchored not stored refs pending

The homotopy category of N-complexes is a homotopy category

James Gillespie

arxiv:1207.6792 v1 · 2012-07-29 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GLVC3BDTNQ64JLL3QL7SKLX7O2}

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	2026-05-18T03:49:48.689389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32ea2d84736c3dc4ad7b82ff252eff76be40f42e5d9b6d001e4abe4b802f98bb

Aliases

arxiv: 1207.6792 · arxiv_version: 1207.6792v1 · doi: 10.48550/arxiv.1207.6792 · pith_short_12: GLVC3BDTNQ64 · pith_short_16: GLVC3BDTNQ64JLL3 · pith_short_8: GLVC3BDT

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/GLVC3BDTNQ64JLL3QL7SKLX7O2 \
  | 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: 32ea2d84736c3dc4ad7b82ff252eff76be40f42e5d9b6d001e4abe4b802f98bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2435c4756286a71e94a74c2ad3a59414e2fc5227d5a05c621c32af6e67b9cf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2012-07-29T18:56:59Z",
    "title_canon_sha256": "69749e70abf9cc906cf1d9f28075c5150995369973df207d8c6f5da8d1c511a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6792",
    "kind": "arxiv",
    "version": 1
  }
}