Pith Number

pith:Q6Q2UDUB

pith:2017:Q6Q2UDUBQ7XUNIL7LB5NDQWQHU

not attested not anchored not stored refs pending

Symplectic stability on manifolds with cylindrical ends

\'Alvaro Pelayo, Sean Curry, Xiudi Tang

arxiv:1704.08659 v4 · 2017-04-27 · math.SG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6Q2UDUBQ7XUNIL7LB5NDQWQHU}

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	2026-05-18T00:25:01.831737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a1aa0e8187ef46a17f587ad1c2d03d0f472dcf62836afacac0fd316d2a3abe

Aliases

arxiv: 1704.08659 · arxiv_version: 1704.08659v4 · doi: 10.48550/arxiv.1704.08659 · pith_short_12: Q6Q2UDUBQ7XU · pith_short_16: Q6Q2UDUBQ7XUNIL7 · pith_short_8: Q6Q2UDUB

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/Q6Q2UDUBQ7XUNIL7LB5NDQWQHU \
  | 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: 87a1aa0e8187ef46a17f587ad1c2d03d0f472dcf62836afacac0fd316d2a3abe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2e618566dc6fc6b064b36621fb09d9fb3a60d45b0393817b483dfdf2ece8ca0",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2017-04-27T17:02:51Z",
    "title_canon_sha256": "5a0c3781fb6f05ce280c7246550879decfdb585e2fc96c3bb797d267ba382bc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08659",
    "kind": "arxiv",
    "version": 4
  }
}