Pith Number

pith:JASCUO6B

pith:2014:JASCUO6BXBA7BSWUR26XH7WJKY

not attested not anchored not stored refs pending

Topological Complexities of Surfaces

Ibai Basabe

arxiv:1402.0044 v2 · 2014-02-01 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JASCUO6BXBA7BSWUR26XH7WJKY}

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	2026-05-17T23:52:29.591987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48242a3bc1b841f0cad48ebd73fec956174f64ebe0cb6ea003b3e2de2c2655ae

Aliases

arxiv: 1402.0044 · arxiv_version: 1402.0044v2 · doi: 10.48550/arxiv.1402.0044 · pith_short_12: JASCUO6BXBA7 · pith_short_16: JASCUO6BXBA7BSWU · pith_short_8: JASCUO6B

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/JASCUO6BXBA7BSWUR26XH7WJKY \
  | 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: 48242a3bc1b841f0cad48ebd73fec956174f64ebe0cb6ea003b3e2de2c2655ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d98234672b9e56d263e3adf5a7145a049671dee0a2774f61094c75e8f61612c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-02-01T02:31:02Z",
    "title_canon_sha256": "7fdf42f387a94cc1b12004558aa6aac6e5c36c71fdfbe852681e6e84578a8475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0044",
    "kind": "arxiv",
    "version": 2
  }
}