Pith Number

pith:IYK3RTQP

pith:2015:IYK3RTQPBFSA2LMAQCDLE7VBYH

not attested not anchored not stored refs pending

From a Reeb orbit trap to a Hamiltonian plug

Hansj\"org Geiges, Kai Zehmisch, Nena R\"ottgen

arxiv:1512.04382 v1 · 2015-12-14 · math.DS · 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{IYK3RTQPBFSA2LMAQCDLE7VBYH}

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	2026-05-17T23:51:44.696277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4615b8ce0f09640d2d808086b27ea1c1dbe2ae0ce0092633548421b7b79bddc4

Aliases

arxiv: 1512.04382 · arxiv_version: 1512.04382v1 · doi: 10.48550/arxiv.1512.04382 · pith_short_12: IYK3RTQPBFSA · pith_short_16: IYK3RTQPBFSA2LMA · pith_short_8: IYK3RTQP

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/IYK3RTQPBFSA2LMAQCDLE7VBYH \
  | 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: 4615b8ce0f09640d2d808086b27ea1c1dbe2ae0ce0092633548421b7b79bddc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fba9ae9457947482b60689956d8aafb762f91589869520b0f9a4bc029bd6804f",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-12-14T16:13:15Z",
    "title_canon_sha256": "97c73601f8e19684aec963537089d44c3513799844b2ff396b34206d7bb42387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04382",
    "kind": "arxiv",
    "version": 1
  }
}