Pith Number

pith:XPF5CZF2

pith:2011:XPF5CZF24KL2ZXAFJN5RYDELZL

not attested not anchored not stored refs pending

Conics in normed planes

\'Akos G. Horv\'ath, Horst Martini

arxiv:1102.3008 v1 · 2011-02-15 · 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{XPF5CZF24KL2ZXAFJN5RYDELZL}

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	2026-05-18T04:28:38.555004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbcbd164bae297acdc054b7b1c0c8bcad78084b52fa50884595db647046bce36

Aliases

arxiv: 1102.3008 · arxiv_version: 1102.3008v1 · doi: 10.48550/arxiv.1102.3008 · pith_short_12: XPF5CZF24KL2 · pith_short_16: XPF5CZF24KL2ZXAF · pith_short_8: XPF5CZF2

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/XPF5CZF24KL2ZXAFJN5RYDELZL \
  | 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: bbcbd164bae297acdc054b7b1c0c8bcad78084b52fa50884595db647046bce36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4a037541abde9e0bc5670a147b3b7fb19c6f734dbc4d4d30f40116912756549",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2011-02-15T09:28:23Z",
    "title_canon_sha256": "ad5b4aae708f0c988c04f2299d32c9f682b801e3773dd0a349a7fba45134c544"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3008",
    "kind": "arxiv",
    "version": 1
  }
}