Pith Number

pith:YT7LLUBR

pith:2014:YT7LLUBRMOHSMN7H3WXK2VBSCQ

not attested not anchored not stored refs pending

Derived Koszul Duality and Topological Hochschild Homology

Jonathan A. Campbell

arxiv:1401.5147 v1 · 2014-01-21 · 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{YT7LLUBRMOHSMN7H3WXK2VBSCQ}

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	2026-05-18T03:01:34.763062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4feb5d031638f2637e7ddaead5432142ae57629549140acfbc5e145068e9cda

Aliases

arxiv: 1401.5147 · arxiv_version: 1401.5147v1 · doi: 10.48550/arxiv.1401.5147 · pith_short_12: YT7LLUBRMOHS · pith_short_16: YT7LLUBRMOHSMN7H · pith_short_8: YT7LLUBR

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/YT7LLUBRMOHSMN7H3WXK2VBSCQ \
  | 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: c4feb5d031638f2637e7ddaead5432142ae57629549140acfbc5e145068e9cda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abeee81d1445631b0dda021e2c329c4e817f7aee5cb8cc7837f174e6950f6b5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-01-21T02:12:14Z",
    "title_canon_sha256": "0defe184a5030a2df5b9149c72591042a595b1b61290acb5509455f385dcf143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5147",
    "kind": "arxiv",
    "version": 1
  }
}