Pith Number

pith:MP6MQMOH

pith:2013:MP6MQMOH244NY3ZDQKH3TCR6WX

not attested not anchored not stored refs pending

Nonlinearity, Proper Actions and Equivariant Stable Cohomotopy

Noe Barcenas

arxiv:1302.1712 v1 · 2013-02-07 · math.GT · 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{MP6MQMOH244NY3ZDQKH3TCR6WX}

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	2026-05-18T03:34:14.842383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63fcc831c7d738dc6f23828fb98a3eb5eed04d8cc9276d6fa529718af59fa1a6

Aliases

arxiv: 1302.1712 · arxiv_version: 1302.1712v1 · doi: 10.48550/arxiv.1302.1712 · pith_short_12: MP6MQMOH244N · pith_short_16: MP6MQMOH244NY3ZD · pith_short_8: MP6MQMOH

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/MP6MQMOH244NY3ZDQKH3TCR6WX \
  | 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: 63fcc831c7d738dc6f23828fb98a3eb5eed04d8cc9276d6fa529718af59fa1a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dae1215fcfae30094c24d980cc2cf1b45a3de9305159e65f0eeceafb96ab7064",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-02-07T11:20:19Z",
    "title_canon_sha256": "bf04625c089e945e5fbf40a456af25fdbf7d8fa13e08b46d2c5f6216d856e2fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1712",
    "kind": "arxiv",
    "version": 1
  }
}