Pith Number

pith:NIOXMR2I

pith:2014:NIOXMR2I6SR2DW3WPH2NNZH5BG

not attested not anchored not stored refs pending

Some optimal embeddings of symplectic ellipsoids

Richard Hind

arxiv:1409.5110 v1 · 2014-09-17 · 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{NIOXMR2I6SR2DW3WPH2NNZH5BG}

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	2026-05-18T00:44:28.797797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a1d764748f4a3a1db7679f4d6e4fd09acd03514f1b816f4bb5cb72be61f994b

Aliases

arxiv: 1409.5110 · arxiv_version: 1409.5110v1 · doi: 10.48550/arxiv.1409.5110 · pith_short_12: NIOXMR2I6SR2 · pith_short_16: NIOXMR2I6SR2DW3W · pith_short_8: NIOXMR2I

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/NIOXMR2I6SR2DW3WPH2NNZH5BG \
  | 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: 6a1d764748f4a3a1db7679f4d6e4fd09acd03514f1b816f4bb5cb72be61f994b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52636505b4c84c9b3bff897abbe7a3c6cab49ee3f58b12c1ab77ed6122109cfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-09-17T19:43:03Z",
    "title_canon_sha256": "1df01dfbede7be352ef27dbcdbcc0bd54d283e9e12f55a23e4abd28807d79fee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5110",
    "kind": "arxiv",
    "version": 1
  }
}