Pith Number

pith:7GOH366C

pith:2014:7GOH366CMR6MWRZOJPYJNQRNXU

not attested not anchored not stored refs pending

Configuration spaces of plane polygons and a sub-Riemannian approach to the equitangent problem

J. Jeronimo-Castro, S. Tabachnikov

arxiv:1408.3747 v1 · 2014-08-16 · math.DG · 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{7GOH366CMR6MWRZOJPYJNQRNXU}

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	2026-05-18T02:45:03.437232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f99c7dfbc2647ccb472e4bf096c22dbd3b6ba44c959bd09f5b7a1e60acc86152

Aliases

arxiv: 1408.3747 · arxiv_version: 1408.3747v1 · doi: 10.48550/arxiv.1408.3747 · pith_short_12: 7GOH366CMR6M · pith_short_16: 7GOH366CMR6MWRZO · pith_short_8: 7GOH366C

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/7GOH366CMR6MWRZOJPYJNQRNXU \
  | 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: f99c7dfbc2647ccb472e4bf096c22dbd3b6ba44c959bd09f5b7a1e60acc86152

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dd625309e4a7189bb02fe6f0af2d4807338cc9bc32d34f70e7065666fa7c20f",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-08-16T16:58:17Z",
    "title_canon_sha256": "32473c45f10d18dfd242ff96bb5b853d60121ae69632ce3a903a3713f210b46f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3747",
    "kind": "arxiv",
    "version": 1
  }
}