Pith Number

pith:HLQT2DEY

pith:2012:HLQT2DEYN4SPRYRJKCPX2U6XJQ

not attested not anchored not stored refs pending

Two characterizations of ellipsoidal cones

Jes\'us Jer\'onimo-Castro, Tyrrell B. McAllister

arxiv:1204.3947 v3 · 2012-04-18 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HLQT2DEYN4SPRYRJKCPX2U6XJQ}

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	2026-05-18T03:31:43.173945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ae13d0c986f24f8e229509f7d53d74c39b34ddf042233dde082ae82881c8823

Aliases

arxiv: 1204.3947 · arxiv_version: 1204.3947v3 · doi: 10.48550/arxiv.1204.3947 · pith_short_12: HLQT2DEYN4SP · pith_short_16: HLQT2DEYN4SPRYRJ · pith_short_8: HLQT2DEY

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/HLQT2DEYN4SPRYRJKCPX2U6XJQ \
  | 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: 3ae13d0c986f24f8e229509f7d53d74c39b34ddf042233dde082ae82881c8823

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "093e0cc812655fb9e6c63431ff35e4c1b6bb7e4918f31ecaa2829068b3356910",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-04-18T00:00:48Z",
    "title_canon_sha256": "bd1c7d939625bb4d1d0c56e64e0ba181e494905c0f02dc2f6333e9efb3a98281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3947",
    "kind": "arxiv",
    "version": 3
  }
}