Pith Number

pith:TWEPUQYS

pith:2015:TWEPUQYSZIMQLYRP2UM3SSRTH2

not attested not anchored not stored refs pending

Homotopy principles for equivariant isomorphisms

Finnur Larusson, Frank Kutzschebauch, Gerald W. Schwarz

arxiv:1503.00797 v4 · 2015-03-03 · math.CV · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWEPUQYSZIMQLYRP2UM3SSRTH2}

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	2026-05-18T00:45:16.572489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d88fa4312ca1905e22fd519b94a333eb079aa9d48a3aaccae32c77d6111cf78

Aliases

arxiv: 1503.00797 · arxiv_version: 1503.00797v4 · doi: 10.48550/arxiv.1503.00797 · pith_short_12: TWEPUQYSZIMQ · pith_short_16: TWEPUQYSZIMQLYRP · pith_short_8: TWEPUQYS

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/TWEPUQYSZIMQLYRP2UM3SSRTH2 \
  | 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: 9d88fa4312ca1905e22fd519b94a333eb079aa9d48a3aaccae32c77d6111cf78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76444f78079e27d795b1a8db47b08f3034988c4ac3291541bc1434b6bfc81c6f",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-03-03T01:19:39Z",
    "title_canon_sha256": "97a374635aa14f4b30ffe0375d529e21484afda4059a15c8e54099cefa3168f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00797",
    "kind": "arxiv",
    "version": 4
  }
}