Pith Number

pith:64XN5GGW

pith:2017:64XN5GGWKWMVARYSWCKLB5GIBI

not attested not anchored not stored refs pending

Reeb dynamics inspired by Katok's example in Finsler geometry

Hansj\"org Geiges, Kai Zehmisch, Peter Albers

arxiv:1705.08126 v2 · 2017-05-23 · math.DS · math.DG · 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{64XN5GGWKWMVARYSWCKLB5GIBI}

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	2026-05-18T00:15:37.674210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f72ede98d65599504712b094b0f4c80a3f22758c7e5b385ef631253bc501049d

Aliases

arxiv: 1705.08126 · arxiv_version: 1705.08126v2 · doi: 10.48550/arxiv.1705.08126 · pith_short_12: 64XN5GGWKWMV · pith_short_16: 64XN5GGWKWMVARYS · pith_short_8: 64XN5GGW

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/64XN5GGWKWMVARYSWCKLB5GIBI \
  | 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: f72ede98d65599504712b094b0f4c80a3f22758c7e5b385ef631253bc501049d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a218a65147ed9bc3b1f0662d87d64f14fef81ebb4c08932906d18c7942c5f668",
    "cross_cats_sorted": [
      "math.DG",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-05-23T08:37:49Z",
    "title_canon_sha256": "8bc3fee68b0b567d1c7d5cade27bdbb972e86db999759f3802e77cc89ef5f2be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08126",
    "kind": "arxiv",
    "version": 2
  }
}