Pith Number

pith:HJLNQWDT

pith:2013:HJLNQWDTAG2PLRCFVA3UWMOXOK

not attested not anchored not stored refs pending

Conic Sections and Meet Intersections in Geometric Algebra

Eckhard Hitzer

arxiv:1306.1017 v1 · 2013-06-05 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJLNQWDTAG2PLRCFVA3UWMOXOK}

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	2026-05-18T03:21:44.599244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a56d8587301b4f5c445a8374b31d7728ad0635aee1b50dea6de2588f30d0e92

Aliases

arxiv: 1306.1017 · arxiv_version: 1306.1017v1 · doi: 10.48550/arxiv.1306.1017 · pith_short_12: HJLNQWDTAG2P · pith_short_16: HJLNQWDTAG2PLRCF · pith_short_8: HJLNQWDT

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/HJLNQWDTAG2PLRCFVA3UWMOXOK \
  | 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: 3a56d8587301b4f5c445a8374b31d7728ad0635aee1b50dea6de2588f30d0e92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07b6053abd90138cbcdf40fb4b3c3fdd553db8aa28e7b54fb245eabcce5b66d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-06-05T08:10:20Z",
    "title_canon_sha256": "224d0e0298d37add097ddffcf36e17d2ffa84cdf0b0b8eb3783e9c9bcf2c6222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1017",
    "kind": "arxiv",
    "version": 1
  }
}