Pith Number

pith:EHQN7UAW

pith:2012:EHQN7UAWI3TBYZWURAFSNRTC2F

not attested not anchored not stored refs pending

Spinor Bishop Equations of Curves in Euclidean 3-Space

Dogan Unal, Ilim Kisi, Murat Tosun

arxiv:1210.0727 v1 · 2012-10-02 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHQN7UAWI3TBYZWURAFSNRTC2F}

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	2026-05-18T03:44:14.374287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21e0dfd01646e61c66d4880b26c662d174854eab98d5caac6e5bb0f82ef8897c

Aliases

arxiv: 1210.0727 · arxiv_version: 1210.0727v1 · doi: 10.48550/arxiv.1210.0727 · pith_short_12: EHQN7UAWI3TB · pith_short_16: EHQN7UAWI3TBYZWU · pith_short_8: EHQN7UAW

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/EHQN7UAWI3TBYZWURAFSNRTC2F \
  | 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: 21e0dfd01646e61c66d4880b26c662d174854eab98d5caac6e5bb0f82ef8897c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4c51e37e4b03191adf251deb12e678ee08dff6a03e86624420a91f883da9b80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-10-02T10:26:31Z",
    "title_canon_sha256": "73aea3e760eb4b575d87190760624472ec298153f400bbd505af8c3739ef2df5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0727",
    "kind": "arxiv",
    "version": 1
  }
}