Pith Number

pith:CBEEMIAU

pith:2017:CBEEMIAURV2UXNCGSLBARU5MER

not attested not anchored not stored refs pending

Elliptic diffeomorphisms of symplectic 4-manifolds

Gleb Smirnov, Vsevolod Shevchishin

arxiv:1708.01518 v2 · 2017-08-04 · math.SG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CBEEMIAURV2UXNCGSLBARU5MER}

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	2026-05-17T23:40:04.777297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10484620148d754bb44692c208d3ac2468d66fc7da16b503329028334259e7b1

Aliases

arxiv: 1708.01518 · arxiv_version: 1708.01518v2 · doi: 10.48550/arxiv.1708.01518 · pith_short_12: CBEEMIAURV2U · pith_short_16: CBEEMIAURV2UXNCG · pith_short_8: CBEEMIAU

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/CBEEMIAURV2UXNCGSLBARU5MER \
  | 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: 10484620148d754bb44692c208d3ac2468d66fc7da16b503329028334259e7b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bd2ce6f4e27a21464254bde630939e93a960828afe3fb46be8e02b2f19b0df4",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2017-08-04T14:14:36Z",
    "title_canon_sha256": "d9127dac76cc13046e208f794631bf5aa8626c8f327ea6fb31c9229ed8b1cc24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01518",
    "kind": "arxiv",
    "version": 2
  }
}