Pith Number

pith:FKTO3QH2

pith:2012:FKTO3QH2UVDXNSWNEFZC4ILRSH

not attested not anchored not stored refs pending

New results on stabbing segments with a polygon

Alexander Pilz, Carlos Seara, Jos\'e Miguel D\'iaz-B\'a\~nez, Matias Korman, Pablo P\'erez-Lantero, Rodrigo I. Silveira

arxiv:1211.1490 v3 · 2012-11-07 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKTO3QH2UVDXNSWNEFZC4ILRSH}

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	2026-05-18T02:49:20.530144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aa6edc0faa54776cacd21722e217191db131d0f9ba2282946ef3caf54474346

Aliases

arxiv: 1211.1490 · arxiv_version: 1211.1490v3 · doi: 10.48550/arxiv.1211.1490 · pith_short_12: FKTO3QH2UVDX · pith_short_16: FKTO3QH2UVDXNSWN · pith_short_8: FKTO3QH2

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/FKTO3QH2UVDXNSWNEFZC4ILRSH \
  | 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: 2aa6edc0faa54776cacd21722e217191db131d0f9ba2282946ef3caf54474346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4abaead1653aef4c30bdbefb32d214186c09cbcb34733faf2827cd623e172956",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-11-07T09:22:51Z",
    "title_canon_sha256": "e24e4d6784607e08117abfabf5878fff821dd6b61dd0c276f3844f726d1e6f46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1490",
    "kind": "arxiv",
    "version": 3
  }
}