Pith Number

pith:E7IMQEV5

pith:2017:E7IMQEV5IFVSZB36Z2CNBASDBY

not attested not anchored not stored refs pending

Invariant fibration of geodesic flows

Leo T. Butler

arxiv:1710.01290 v1 · 2017-10-03 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7IMQEV5IFVSZB36Z2CNBASDBY}

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	2026-05-18T00:33:44.726068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27d0c812bd416b2c877ece84d082430e3d0b4174da11e68aa9f7bb02ec78d494

Aliases

arxiv: 1710.01290 · arxiv_version: 1710.01290v1 · doi: 10.48550/arxiv.1710.01290 · pith_short_12: E7IMQEV5IFVS · pith_short_16: E7IMQEV5IFVSZB36 · pith_short_8: E7IMQEV5

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/E7IMQEV5IFVSZB36Z2CNBASDBY \
  | 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: 27d0c812bd416b2c877ece84d082430e3d0b4174da11e68aa9f7bb02ec78d494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c4601bf749a7ef85050e3cb97ae93086ee9eb4061d268c5196b98fafa66b618",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-10-03T17:41:49Z",
    "title_canon_sha256": "2177e6fd2b822090e9647dbde7159a1d159810d01c0dc616cffaefc3525d4150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01290",
    "kind": "arxiv",
    "version": 1
  }
}