Pith Number

pith:C6X5GU56

pith:2016:C6X5GU564WHOQAOX4S5XRQWIU6

not attested not anchored not stored refs pending

k-Dirac operator and the Cartan-Kahler theorem for weighted differential operators

Tomas Salac

arxiv:1601.08077 v3 · 2016-01-29 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6X5GU564WHOQAOX4S5XRQWIU6}

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	2026-05-18T00:43:18.675304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17afd353bee58ee801d7e4bb78c2c8a7a8dfcdf2b12aeecc9e2303c222423411

Aliases

arxiv: 1601.08077 · arxiv_version: 1601.08077v3 · doi: 10.48550/arxiv.1601.08077 · pith_short_12: C6X5GU564WHO · pith_short_16: C6X5GU564WHOQAOX · pith_short_8: C6X5GU56

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/C6X5GU564WHOQAOX4S5XRQWIU6 \
  | 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: 17afd353bee58ee801d7e4bb78c2c8a7a8dfcdf2b12aeecc9e2303c222423411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa8924a124b30defb9dcf393db8fe34f9c3a2c44cd0ed41ac3258ade238bb1f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-01-29T12:22:44Z",
    "title_canon_sha256": "1da292e101985daad114fededdcf35f09aaa757f6b4e6fbb52f1b49ee1e55abb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.08077",
    "kind": "arxiv",
    "version": 3
  }
}