Pith Number

pith:QAK6FBU7

pith:2025:QAK6FBU776VOZ3GUT2HZEJ2I3U

not attested not anchored not stored refs pending

Connectedness of fibers beyond semitoric systems II: ephemeral singular points

Daniele Sepe, Susan Tolman

arxiv:2510.16976 v2 · 2025-10-19 · math.SG · 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{QAK6FBU776VOZ3GUT2HZEJ2I3U}

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	2026-05-20T00:00:26.308085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8015e2869fffaaececd49e8f922748dd0f5ab9e390333d0e03bc5ac099062c37

Aliases

arxiv: 2510.16976 · arxiv_version: 2510.16976v2 · doi: 10.48550/arxiv.2510.16976 · pith_short_12: QAK6FBU776VO · pith_short_16: QAK6FBU776VOZ3GU · pith_short_8: QAK6FBU7

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/QAK6FBU776VOZ3GUT2HZEJ2I3U \
  | 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: 8015e2869fffaaececd49e8f922748dd0f5ab9e390333d0e03bc5ac099062c37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fe3280895837a7bf5803b06b68c4d0258ab7b64e832d1fad6dfdbdbbe167a5c",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2025-10-19T19:35:33Z",
    "title_canon_sha256": "429a07ba497261d6551204099c12a5395e3131b5a3928475ec838b0fddb3d399"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.16976",
    "kind": "arxiv",
    "version": 2
  }
}