Pith Number

pith:2FSGB6V7

pith:2018:2FSGB6V7GQ3M54P3S6FLXTEULU

not attested not anchored not stored refs pending

Counting saddle connections in a homology class modulo $q$

Michael Magee, Rene R\"uhr, Rodolfo Guti\'errez-Romo

arxiv:1809.00579 v1 · 2018-09-03 · math.DS · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FSGB6V7GQ3M54P3S6FLXTEULU}

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	2026-05-18T00:06:33.139351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d16460fabf3436cef1fb978abbcc945d17301abf21d8d4c3504501b762c78ebb

Aliases

arxiv: 1809.00579 · arxiv_version: 1809.00579v1 · doi: 10.48550/arxiv.1809.00579 · pith_short_12: 2FSGB6V7GQ3M · pith_short_16: 2FSGB6V7GQ3M54P3 · pith_short_8: 2FSGB6V7

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/2FSGB6V7GQ3M54P3S6FLXTEULU \
  | 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: d16460fabf3436cef1fb978abbcc945d17301abf21d8d4c3504501b762c78ebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2792bb0a4eb0ea27b628bf78c65b5c50dd708d6312e716e4bd11799c6502e34d",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-09-03T12:38:21Z",
    "title_canon_sha256": "0e309692e8f9fc8d710c20bc337c2cb95bd1ed28a1850bf964b4519f15363609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00579",
    "kind": "arxiv",
    "version": 1
  }
}