Pith Number

pith:EFSRITTX

pith:2016:EFSRITTXXAGU4HJUKRC2D2CC3B

not attested not anchored not stored refs pending

Higher Hochschild homology is not a stable invariant

Andrea Tenti, Bj{\o}rn Ian Dundas

arxiv:1612.05175 v1 · 2016-12-15 · math.KT · math.AC · 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{EFSRITTXXAGU4HJUKRC2D2CC3B}

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	2026-05-18T00:54:53.301259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2165144e77b80d4e1d345445a1e842d848ab62f4ffa8c72b79e4a0e364bcbda9

Aliases

arxiv: 1612.05175 · arxiv_version: 1612.05175v1 · doi: 10.48550/arxiv.1612.05175 · pith_short_12: EFSRITTXXAGU · pith_short_16: EFSRITTXXAGU4HJU · pith_short_8: EFSRITTX

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/EFSRITTXXAGU4HJUKRC2D2CC3B \
  | 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: 2165144e77b80d4e1d345445a1e842d848ab62f4ffa8c72b79e4a0e364bcbda9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17259cd3eb4369e364430d04f7b54547e6c94fa79a0b61b4be32c73bf1e6cfcc",
    "cross_cats_sorted": [
      "math.AC",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2016-12-15T18:14:54Z",
    "title_canon_sha256": "b7841c3bba90b0d32082d84e4b01fb00cfcabf73f3d5d5e792a0b80098c0528f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.05175",
    "kind": "arxiv",
    "version": 1
  }
}