Pith Number

pith:KALWFXR7

pith:2019:KALWFXR7ADFGJZR7ICRNRPZYYJ

not attested not anchored not stored refs pending

Lambert's theorem and projective dynamics

Alain Albouy, Lei Zhao

arxiv:1910.05391 v1 · 2019-10-11 · math-ph · math.MG · math.MP · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KALWFXR7ADFGJZR7ICRNRPZYYJ}

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	2026-07-05T00:11:38.438749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

501762de3f00ca64e63f40a2d8bf38c245b14a122b674e6d09a5f286224c2450

Aliases

arxiv: 1910.05391 · arxiv_version: 1910.05391v1 · doi: 10.48550/arxiv.1910.05391 · pith_short_12: KALWFXR7ADFG · pith_short_16: KALWFXR7ADFGJZR7 · pith_short_8: KALWFXR7

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/KALWFXR7ADFGJZR7ICRNRPZYYJ \
  | 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: 501762de3f00ca64e63f40a2d8bf38c245b14a122b674e6d09a5f286224c2450

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc3e2f9d6ab22f09a8a418c8be801c1197f8a32286c2cd3fd09a28b094db356c",
    "cross_cats_sorted": [
      "math.MG",
      "math.MP",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-10-11T19:57:35Z",
    "title_canon_sha256": "63203f8d38afe0c301cf2396cceb7619effce4355debc71b8972f05364880e03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.05391",
    "kind": "arxiv",
    "version": 1
  }
}