Pith Number

pith:5JGNC6O3

pith:2014:5JGNC6O36WIX6KZ4QWOVV4LOXG

not attested not anchored not stored refs pending

Capturing Goodwillie's Derivative

David Barnes, Rosona Eldred

arxiv:1406.0424 v2 · 2014-06-02 · math.AT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JGNC6O36WIX6KZ4QWOVV4LOXG}

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	2026-05-18T02:03:37.703597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea4cd179dbf5917f2b3c859d5af16eb99c556e9bf460729171ade651401a2c96

Aliases

arxiv: 1406.0424 · arxiv_version: 1406.0424v2 · doi: 10.48550/arxiv.1406.0424 · pith_short_12: 5JGNC6O36WIX · pith_short_16: 5JGNC6O36WIX6KZ4 · pith_short_8: 5JGNC6O3

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/5JGNC6O36WIX6KZ4QWOVV4LOXG \
  | 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: ea4cd179dbf5917f2b3c859d5af16eb99c556e9bf460729171ade651401a2c96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a7c1c5d4e7c946fd331c404bdec19bfa9363f393253ad37d719cfbdf69f9b9b",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-06-02T15:57:40Z",
    "title_canon_sha256": "a6458e57c3707882b096d433d4cab3031e4c2842fdcb97f791faaab68fcc9f61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0424",
    "kind": "arxiv",
    "version": 2
  }
}