Pith Number

pith:WJAL4R2U

pith:2016:WJAL4R2UT5ULP27PY3L7QCNCPU

not attested not anchored not stored refs pending

Center manifolds without a phase space

Arnd Scheel, Gregory Faye

arxiv:1611.07487 v1 · 2016-11-22 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJAL4R2UT5ULP27PY3L7QCNCPU}

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	2026-05-18T00:57:20.023546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b240be47549f68b7ebefc6d7f809a27d03d89023f45527ec28914cfa3e9c3acb

Aliases

arxiv: 1611.07487 · arxiv_version: 1611.07487v1 · doi: 10.48550/arxiv.1611.07487 · pith_short_12: WJAL4R2UT5UL · pith_short_16: WJAL4R2UT5ULP27P · pith_short_8: WJAL4R2U

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/WJAL4R2UT5ULP27PY3L7QCNCPU \
  | 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: b240be47549f68b7ebefc6d7f809a27d03d89023f45527ec28914cfa3e9c3acb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1049c564f82304c22f0d65ef231ce45fc817fb5fd7c8d328e93be44408fe7778",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-11-22T19:48:58Z",
    "title_canon_sha256": "07e6e0d1ab2189ed9cb4ea25151fb2525be9fdcbe902afeb5cfd56bb89dc9d05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07487",
    "kind": "arxiv",
    "version": 1
  }
}