Pith Number

pith:TXKHTMEO

pith:2019:TXKHTMEOAFZAEM46P3FPW4KGB2

not attested not anchored not stored refs pending

Lightlike and ideal tetrahedra

Carlos Scarinci, Catherine Meusburger

arxiv:1909.00932 v4 · 2019-09-03 · math.GT · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TXKHTMEOAFZAEM46P3FPW4KGB2}

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	2026-07-05T05:28:03.657922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dd479b08e017202339e7ecafb71460ebd3e7ad3c33eadf7788d63b5b97894a8

Aliases

arxiv: 1909.00932 · arxiv_version: 1909.00932v4 · doi: 10.48550/arxiv.1909.00932 · pith_short_12: TXKHTMEOAFZA · pith_short_16: TXKHTMEOAFZAEM46 · pith_short_8: TXKHTMEO

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/TXKHTMEOAFZAEM46P3FPW4KGB2 \
  | 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: 9dd479b08e017202339e7ecafb71460ebd3e7ad3c33eadf7788d63b5b97894a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7843388cb9c0068ace5d91d33b93fc7c59ae0ffa8869c82f5c3ecf13c4f470f2",
    "cross_cats_sorted": [
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-09-03T03:14:42Z",
    "title_canon_sha256": "c0ddf28f6f8c97aea8a0ce17ba555335f6a20d9ab58d3ed3ec3984118af41c36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00932",
    "kind": "arxiv",
    "version": 4
  }
}