Pith Number

pith:RTXUXEDA

pith:2012:RTXUXEDANC2ICCROLW2HYKYJRB

not attested not anchored not stored refs pending

Khovanov homotopy types and the Dold-Thom functor

Brent Everitt, Paul Turner, Robert Lipshitz, Sucharit Sarkar

arxiv:1202.1856 v1 · 2012-02-08 · math.GT · math.AT · math.QA · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RTXUXEDANC2ICCROLW2HYKYJRB}

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	2026-05-18T00:55:26.128435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cef4b906068b4810a2e5db47c2b09884470525e1c8049eb03a8b6703c8e4703

Aliases

arxiv: 1202.1856 · arxiv_version: 1202.1856v1 · doi: 10.48550/arxiv.1202.1856 · pith_short_12: RTXUXEDANC2I · pith_short_16: RTXUXEDANC2ICCRO · pith_short_8: RTXUXEDA

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/RTXUXEDANC2ICCROLW2HYKYJRB \
  | 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: 8cef4b906068b4810a2e5db47c2b09884470525e1c8049eb03a8b6703c8e4703

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eff66a5936527fbf9108d99278ee0a4ea65dd20aa646ea5372babe62bfa9a89a",
    "cross_cats_sorted": [
      "math.AT",
      "math.QA",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-02-08T23:43:55Z",
    "title_canon_sha256": "3f4f6eb2a381f477eee49e26f6c0234a42f65519983c0e60e27c460dd347d0ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1856",
    "kind": "arxiv",
    "version": 1
  }
}