Pith Number

pith:ZHDPKO6O

pith:2014:ZHDPKO6OYOHCW7CWSZUFYCE22S

not attested not anchored not stored refs pending

Some quantitative results in $C^0$ symplectic geometry

Emmanuel Opshtein, Lev Buhovsky

arxiv:1404.0875 v2 · 2014-04-03 · 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{ZHDPKO6OYOHCW7CWSZUFYCE22S}

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	2026-05-18T01:31:53.448415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9c6f53bcec38e2b7c5696685c089ad498dc76df877d40547eb6efe7510e5c81

Aliases

arxiv: 1404.0875 · arxiv_version: 1404.0875v2 · doi: 10.48550/arxiv.1404.0875 · pith_short_12: ZHDPKO6OYOHC · pith_short_16: ZHDPKO6OYOHCW7CW · pith_short_8: ZHDPKO6O

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/ZHDPKO6OYOHCW7CWSZUFYCE22S \
  | 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: c9c6f53bcec38e2b7c5696685c089ad498dc76df877d40547eb6efe7510e5c81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6e7abe871c0c8d33beb28c1628c502dbeec6c3aa56243d0a3debad84644fccf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-04-03T12:19:20Z",
    "title_canon_sha256": "a2b6c078e7ec0e620896b6ff424ca758454b8bd4155a9ddf586556dc046ad855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0875",
    "kind": "arxiv",
    "version": 2
  }
}