Pith Number

pith:2KYNTQGU

pith:2017:2KYNTQGUQBRPHRRO5CGIQZVFRS

not attested not anchored not stored refs pending

Polynomial functors in manifold calculus

Donald Stanley, Paul Arnaud Songhafouo Tsopmene

arxiv:1708.02642 v3 · 2017-08-08 · 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{2KYNTQGUQBRPHRRO5CGIQZVFRS}

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	2026-05-18T00:06:56.435692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2b0d9c0d48062f3c62ee88c8866a58ca861e4cc239003fd78a6107549f2e603

Aliases

arxiv: 1708.02642 · arxiv_version: 1708.02642v3 · doi: 10.48550/arxiv.1708.02642 · pith_short_12: 2KYNTQGUQBRP · pith_short_16: 2KYNTQGUQBRPHRRO · pith_short_8: 2KYNTQGU

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/2KYNTQGUQBRPHRRO5CGIQZVFRS \
  | 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: d2b0d9c0d48062f3c62ee88c8866a58ca861e4cc239003fd78a6107549f2e603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0017fe7f019fbbaeb097168ecd93b4d63a96281d699913943aca79d56c66df39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-08-08T20:16:06Z",
    "title_canon_sha256": "5d09ef2fd90b0ce98802bd4565355630879d1edeb0fbf9b26d446d1009c1d1db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02642",
    "kind": "arxiv",
    "version": 3
  }
}