Pith Number

pith:TAUSBMEQ

pith:2017:TAUSBMEQ2BXWYAECSZQIL6T37F

not attested not anchored not stored refs pending

On fixed points of self maps of the free ball

Eli Shamovich

arxiv:1709.00446 v2 · 2017-09-01 · math.OA · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TAUSBMEQ2BXWYAECSZQIL6T37F}

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	2026-05-17T23:57:32.678208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

982920b090d06f6c0082966085fa7bf97f80db56e9ec80108deedc43cdcb5549

Aliases

arxiv: 1709.00446 · arxiv_version: 1709.00446v2 · doi: 10.48550/arxiv.1709.00446 · pith_short_12: TAUSBMEQ2BXW · pith_short_16: TAUSBMEQ2BXWYAEC · pith_short_8: TAUSBMEQ

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/TAUSBMEQ2BXWYAECSZQIL6T37F \
  | 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: 982920b090d06f6c0082966085fa7bf97f80db56e9ec80108deedc43cdcb5549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de5926394d76c51fcfb43862236b1c9e949aa608925d7f17daebc6caf28fa230",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-09-01T18:59:55Z",
    "title_canon_sha256": "f274380b4c7501a972478bb2a5866d02922e579b917d52bbcc5c607e9ff2e744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00446",
    "kind": "arxiv",
    "version": 2
  }
}