Pith Number

pith:5FFDD2HZ

pith:2014:5FFDD2HZ23CBHYHRHHCKB7PLRH

not attested not anchored not stored refs pending

Packing stability for symplectic $4$-manifolds

Emmanuel Opshtein, Olguta Buse, Richard Hind

arxiv:1404.4183 v1 · 2014-04-16 · 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{5FFDD2HZ23CBHYHRHHCKB7PLRH}

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	2026-05-18T02:54:06.016075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e94a31e8f9d6c413e0f139c4a0fdeb89cd4b03a8affc809c99afee8e4ed54634

Aliases

arxiv: 1404.4183 · arxiv_version: 1404.4183v1 · doi: 10.48550/arxiv.1404.4183 · pith_short_12: 5FFDD2HZ23CB · pith_short_16: 5FFDD2HZ23CBHYHR · pith_short_8: 5FFDD2HZ

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/5FFDD2HZ23CBHYHRHHCKB7PLRH \
  | 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: e94a31e8f9d6c413e0f139c4a0fdeb89cd4b03a8affc809c99afee8e4ed54634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b3a77b0b2131b7cbd46b6ba8ea4e77fa994b6e8fc914a38693b9d425d961408",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-04-16T10:07:22Z",
    "title_canon_sha256": "b15fa74d74498baa541f4fd0710f6362ae0922e2b8ba3e4d27f9b503010f2dba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4183",
    "kind": "arxiv",
    "version": 1
  }
}