Pith Number

pith:74SXKJJY

pith:2011:74SXKJJYD2OF22XNJKIYTAOTAC

not attested not anchored not stored refs pending

An algebraic model for free rational G-spectra

B. E. Shipley, J. P. C. Greenlees

arxiv:1101.4818 v3 · 2011-01-25 · 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{74SXKJJYD2OF22XNJKIYTAOTAC}

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	2026-05-18T02:58:01.238467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff257525381e9c5d6aed4a918981d300a4cf092b1174387e01780eb76a2ed02b

Aliases

arxiv: 1101.4818 · arxiv_version: 1101.4818v3 · doi: 10.48550/arxiv.1101.4818 · pith_short_12: 74SXKJJYD2OF · pith_short_16: 74SXKJJYD2OF22XN · pith_short_8: 74SXKJJY

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/74SXKJJYD2OF22XNJKIYTAOTAC \
  | 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: ff257525381e9c5d6aed4a918981d300a4cf092b1174387e01780eb76a2ed02b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd9d393c49d6d26ec84f2f46db05e05285e4acfe7b23f4edceef250e54fbcd70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2011-01-25T14:07:41Z",
    "title_canon_sha256": "76cc86d98db2f87fb8862cba516dda6959321dee855205eab6c5ab2062f861b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4818",
    "kind": "arxiv",
    "version": 3
  }
}