Pith Number

pith:T7BI2I5B

pith:2018:T7BI2I5B25EI4ACYXMTZVRUPBQ

not attested not anchored not stored refs pending

Translators asymptotic to cylinders

Or Hershkovits

arxiv:1805.10553 v1 · 2018-05-26 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7BI2I5B25EI4ACYXMTZVRUPBQ}

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	2026-05-18T00:14:52.169311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fc28d23a1d7488e0058bb279ac68f0c2c52112baf9c0ea6240a8727e330b9aa

Aliases

arxiv: 1805.10553 · arxiv_version: 1805.10553v1 · doi: 10.48550/arxiv.1805.10553 · pith_short_12: T7BI2I5B25EI · pith_short_16: T7BI2I5B25EI4ACY · pith_short_8: T7BI2I5B

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/T7BI2I5B25EI4ACYXMTZVRUPBQ \
  | 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: 9fc28d23a1d7488e0058bb279ac68f0c2c52112baf9c0ea6240a8727e330b9aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec720e5b1d56953a2a216bba1be21668c5cc47e2c4cc9afd1a9472a785394e76",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-05-26T23:30:36Z",
    "title_canon_sha256": "e6b69ff23cb0606ac507e34d405d982a65c853c8dd556d308b626f1e0c5a4bec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10553",
    "kind": "arxiv",
    "version": 1
  }
}