Pith Number

pith:LNVQETYD

pith:2009:LNVQETYDDOEJYOYIZWYWM4W6CF

not attested not anchored not stored refs pending

Orthologic Tetrahedra with Intersecting Edges

Hans-Peter Schr\"ocker

arxiv:0910.1514 v3 · 2009-10-08 · 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{LNVQETYDDOEJYOYIZWYWM4W6CF}

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	2026-05-18T03:56:08.804672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b6b024f031b889c3b08cdb16672de115bf343b180989ff3cbbab7e5aa2a6beb

Aliases

arxiv: 0910.1514 · arxiv_version: 0910.1514v3 · doi: 10.48550/arxiv.0910.1514 · pith_short_12: LNVQETYDDOEJ · pith_short_16: LNVQETYDDOEJYOYI · pith_short_8: LNVQETYD

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/LNVQETYDDOEJYOYIZWYWM4W6CF \
  | 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: 5b6b024f031b889c3b08cdb16672de115bf343b180989ff3cbbab7e5aa2a6beb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8361e24eb3611643c4c4e73cec5d2f6e2ab0dd85e4c8060b8c6b70ca325df72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2009-10-08T14:18:12Z",
    "title_canon_sha256": "0d4d44e74afaf8af038d26170c24c80a1d7ea5b59c20a218b54f58a44d5e5355"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1514",
    "kind": "arxiv",
    "version": 3
  }
}