Pith Number

pith:SDNXBDN6

pith:2013:SDNXBDN6JIWEVTESBVSX2BTAHK

not attested not anchored not stored refs pending

Polygonal Bicycle Paths and the Darboux Transformation

E. Tsukerman, I. Alevy

arxiv:1308.5757 v1 · 2013-08-27 · math.DS · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDNXBDN6JIWEVTESBVSX2BTAHK}

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	2026-05-18T03:14:51.323956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90db708dbe4a2c4acc920d657d06603a98167af59d5d90b8e0c7a2627f80d6a3

Aliases

arxiv: 1308.5757 · arxiv_version: 1308.5757v1 · doi: 10.48550/arxiv.1308.5757 · pith_short_12: SDNXBDN6JIWE · pith_short_16: SDNXBDN6JIWEVTES · pith_short_8: SDNXBDN6

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/SDNXBDN6JIWEVTESBVSX2BTAHK \
  | 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: 90db708dbe4a2c4acc920d657d06603a98167af59d5d90b8e0c7a2627f80d6a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "365c795c79a7cfd31907f46f95b65d4e8ed3cfb6862e41c303ac68965bfc428c",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-08-27T05:32:57Z",
    "title_canon_sha256": "967b3ff90b40af53a1370c6f691ce3a254b72137b8d20b72593929214a500e12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5757",
    "kind": "arxiv",
    "version": 1
  }
}