Pith Number

pith:SBI3GWNQ

pith:2018:SBI3GWNQKLIIYG7K3XUHMWTFMI

not attested not anchored not stored refs pending

Ruled strips with asymptotically diverging twisting

David Krejcirik, Rafael Tiedra de Aldecoa

arxiv:1802.00321 v1 · 2018-02-01 · math.SP · math-ph · math.AP · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBI3GWNQKLIIYG7K3XUHMWTFMI}

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	2026-05-18T00:00:08.791478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9051b359b052d08c1beadde8765a65620172885cf5c35202231e45168b16f4d0

Aliases

arxiv: 1802.00321 · arxiv_version: 1802.00321v1 · doi: 10.48550/arxiv.1802.00321 · pith_short_12: SBI3GWNQKLII · pith_short_16: SBI3GWNQKLIIYG7K · pith_short_8: SBI3GWNQ

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/SBI3GWNQKLIIYG7K3XUHMWTFMI \
  | 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: 9051b359b052d08c1beadde8765a65620172885cf5c35202231e45168b16f4d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce1af86d0f306c58cfa8fa13a458a2a36942b3d87ecf2e81d320809274de5c83",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2018-02-01T15:00:43Z",
    "title_canon_sha256": "d96dc444544993be5894ae38834b296074da2433c4ef2cc8f94c3682c269c12a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00321",
    "kind": "arxiv",
    "version": 1
  }
}