Pith Number

pith:Y2SEOFYC

pith:2013:Y2SEOFYC5JOOFFH33NF4ZG256Q

not attested not anchored not stored refs pending

On Strong Centerpoints

Pradeesha Ashok, Sathish Govindarajan

arxiv:1312.0387 v2 · 2013-12-02 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2SEOFYC5JOOFFH33NF4ZG256Q}

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	2026-05-18T02:26:10.856346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6a4471702ea5ce294fbdb4bcc9b5df43447d15612a83f603530d8200ba640f2

Aliases

arxiv: 1312.0387 · arxiv_version: 1312.0387v2 · doi: 10.48550/arxiv.1312.0387 · pith_short_12: Y2SEOFYC5JOO · pith_short_16: Y2SEOFYC5JOOFFH3 · pith_short_8: Y2SEOFYC

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/Y2SEOFYC5JOOFFH33NF4ZG256Q \
  | 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: c6a4471702ea5ce294fbdb4bcc9b5df43447d15612a83f603530d8200ba640f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cda0f2afbc0c64638a7cb7837fb95ac372c0e1669d69a2a37841bc736be26fff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-12-02T09:32:36Z",
    "title_canon_sha256": "c67e2bfb29ad3f48aae17cf7d5c89b40aadd51c41810a4ef79a035387138c554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0387",
    "kind": "arxiv",
    "version": 2
  }
}