Pith Number

pith:UP6VBXSB

pith:2018:UP6VBXSBGQQ5GV4FDHAYJTLSQU

not attested not anchored not stored refs pending

Two results in metric fixed point theory

Alexander J. Zaslavski, Daniel Reem, Simeon Reich

arxiv:1803.02347 v1 · 2018-03-05 · math.FA · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UP6VBXSBGQQ5GV4FDHAYJTLSQU}

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	2026-05-18T00:21:50.481600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3fd50de413421d3578519c184cd728513480ad00fb0671dd6538400337829bd

Aliases

arxiv: 1803.02347 · arxiv_version: 1803.02347v1 · doi: 10.48550/arxiv.1803.02347 · pith_short_12: UP6VBXSBGQQ5 · pith_short_16: UP6VBXSBGQQ5GV4F · pith_short_8: UP6VBXSB

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/UP6VBXSBGQQ5GV4FDHAYJTLSQU \
  | 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: a3fd50de413421d3578519c184cd728513480ad00fb0671dd6538400337829bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a956cae0bd9637e7dc33e3a3c9ca845e0602332ac577c06c8578afafd61b46e1",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-03-05T19:48:59Z",
    "title_canon_sha256": "8450a01d3c9b596babe4e2f1f2f0ee12f0b14579a9598241438d8a90f6b2996b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02347",
    "kind": "arxiv",
    "version": 1
  }
}