Pith Number

pith:LDLF57FW

pith:2012:LDLF57FW6GPEQ7D6L5XLODDGKD

not attested not anchored not stored refs pending

Discrete Conics

Emmanuel Tsukerman

arxiv:1212.0200 v1 · 2012-12-02 · math.MG · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LDLF57FW6GPEQ7D6L5XLODDGKD}

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	2026-05-18T03:39:26.885972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58d65efcb6f19e487c7e5f6eb70c6650cae03516bcf99d2bca2c8ccc2a19a844

Aliases

arxiv: 1212.0200 · arxiv_version: 1212.0200v1 · doi: 10.48550/arxiv.1212.0200 · pith_short_12: LDLF57FW6GPE · pith_short_16: LDLF57FW6GPEQ7D6 · pith_short_8: LDLF57FW

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/LDLF57FW6GPEQ7D6L5XLODDGKD \
  | 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: 58d65efcb6f19e487c7e5f6eb70c6650cae03516bcf99d2bca2c8ccc2a19a844

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cb8f120f70705b71a2a79a294ce051ecd1b6de7d2dcd00b74ab553dfc97887c",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-12-02T11:10:16Z",
    "title_canon_sha256": "1e4600cf142ea7368a5efa5e5c49e1b14fd84a9f39e4168180aaed47b6be34ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0200",
    "kind": "arxiv",
    "version": 1
  }
}