Pith Number

pith:FF22ZEYE

pith:2016:FF22ZEYE6K43F74T7JOS2KXCP5

not attested not anchored not stored refs pending

M\"obius strips before M\"obius: Topological hints in ancient representations

Diego L. Gonz\'alez, Julyan H. E. Cartwright

arxiv:1609.07779 v1 · 2016-09-25 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FF22ZEYE6K43F74T7JOS2KXCP5}

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	2026-05-18T01:03:55.470498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2975ac9304f2b9b2ff93fa5d2d2ae27f71ddcb920adc1abddc82aa96c4d31144

Aliases

arxiv: 1609.07779 · arxiv_version: 1609.07779v1 · doi: 10.48550/arxiv.1609.07779 · pith_short_12: FF22ZEYE6K43 · pith_short_16: FF22ZEYE6K43F74T · pith_short_8: FF22ZEYE

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/FF22ZEYE6K43F74T7JOS2KXCP5 \
  | 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: 2975ac9304f2b9b2ff93fa5d2d2ae27f71ddcb920adc1abddc82aa96c4d31144

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bef38a3e7d2699e39e5419a19fe09d500496fd3f95fc3607624e4a5270531b32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2016-09-25T17:56:02Z",
    "title_canon_sha256": "e84ed368a3d335eec5ebc6d43979999e4fe8c57a95835b4cfbf0b37f17982b2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07779",
    "kind": "arxiv",
    "version": 1
  }
}