Pith Number

pith:37H6TKSH

pith:2014:37H6TKSHJX7TEFEFQDHVDEFG6B

not attested not anchored not stored refs pending

Homogeneous geodesics in pseudo-Riemannian nilmanifolds

Viviana del Barco

arxiv:1403.5939 v3 · 2014-03-24 · 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{37H6TKSHJX7TEFEFQDHVDEFG6B}

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	2026-05-18T02:42:05.946054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfcfe9aa474dff32148580cf5190a6f06760d6c0d2b25458119f1698f09cbe6a

Aliases

arxiv: 1403.5939 · arxiv_version: 1403.5939v3 · doi: 10.48550/arxiv.1403.5939 · pith_short_12: 37H6TKSHJX7T · pith_short_16: 37H6TKSHJX7TEFEF · pith_short_8: 37H6TKSH

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/37H6TKSHJX7TEFEFQDHVDEFG6B \
  | 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: dfcfe9aa474dff32148580cf5190a6f06760d6c0d2b25458119f1698f09cbe6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "625249db2571d24245e96185b2ebd5daf8b4336f6859da9b8fbdde90e2000ccc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-03-24T12:58:44Z",
    "title_canon_sha256": "2fe35787cfbf60bda61e81e47863dd97481b9fd20819d7e09c0b67366d9de8a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5939",
    "kind": "arxiv",
    "version": 3
  }
}