Pith Number

pith:S4PGVFUE

pith:2014:S4PGVFUEFUTJJ7O56ZNL7ZVO4B

not attested not anchored not stored refs pending

A class of surfaces related to a problem posed by \'{E}lie Cartan

Antonio Mart\'inez, Pedro Roitman

arxiv:1410.0288 v1 · 2014-10-01 · 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{S4PGVFUEFUTJJ7O56ZNL7ZVO4B}

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	2026-05-18T02:41:17.615678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

971e6a96842d2694fdddf65abfe6aee078f2c9df109f5b00cab035199c05fb44

Aliases

arxiv: 1410.0288 · arxiv_version: 1410.0288v1 · doi: 10.48550/arxiv.1410.0288 · pith_short_12: S4PGVFUEFUTJ · pith_short_16: S4PGVFUEFUTJJ7O5 · pith_short_8: S4PGVFUE

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/S4PGVFUEFUTJJ7O56ZNL7ZVO4B \
  | 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: 971e6a96842d2694fdddf65abfe6aee078f2c9df109f5b00cab035199c05fb44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7b2434c1fe38c182aa69b7bb2bc7d5333f0cb28c93191171989e48ad8939e66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-10-01T16:57:46Z",
    "title_canon_sha256": "05a68118dc772994da33e9ac2c229df795e3e4e184a411bb42189bcfde83f2cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0288",
    "kind": "arxiv",
    "version": 1
  }
}