Pith Number

pith:HSAMO3QN

pith:2017:HSAMO3QNUM6J7DZT67M7AOJVX5

not attested not anchored not stored refs pending

Introduction to exterior differential systems

Benjamin McKay (University College Cork)

arxiv:1706.09697 v3 · 2017-06-29 · 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{HSAMO3QNUM6J7DZT67M7AOJVX5}

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.

Cited by

1 paper in Pith

The Cartan-K\"ahler theorem for exterior differential systems on transitive Lie algebroids

Receipt and verification

First computed	2026-07-05T01:35:42.413864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c80c76e0da33c9f8f33f7d9f03935bf604afe927fabab1eea0371fcb95b1bdd

Aliases

arxiv: 1706.09697 · arxiv_version: 1706.09697v3 · doi: 10.48550/arxiv.1706.09697 · pith_short_12: HSAMO3QNUM6J · pith_short_16: HSAMO3QNUM6J7DZT · pith_short_8: HSAMO3QN

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/HSAMO3QNUM6J7DZT67M7AOJVX5 \
  | 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: 3c80c76e0da33c9f8f33f7d9f03935bf604afe927fabab1eea0371fcb95b1bdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bde3d35498f1a9a2f612a1577324df971c0f4bc272613ef9aaa2b099996957e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-06-29T11:51:51Z",
    "title_canon_sha256": "5ed8e27c8d8399ae69463330283ff1931bf14c9b69a38cf49d99259f9c4d023b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09697",
    "kind": "arxiv",
    "version": 3
  }
}