Pith Number

pith:H7PGWVWD

pith:2016:H7PGWVWDMCUJ4ZVERFSR42IB5K

not attested not anchored not stored refs pending

Geometry of the closed unit ball of the space of bilinear forms on $\ell_{\infty}^{2}$

Daniel Pellegrino, Wasthenny Cavalcante

arxiv:1603.01535 v2 · 2016-03-04 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7PGWVWDMCUJ4ZVERFSR42IB5K}

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	2026-05-18T01:09:57.598451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fde6b56c360a89e66a489651e6901eab95b83a2f7de06eb9d8a3e65f906d9e9

Aliases

arxiv: 1603.01535 · arxiv_version: 1603.01535v2 · doi: 10.48550/arxiv.1603.01535 · pith_short_12: H7PGWVWDMCUJ · pith_short_16: H7PGWVWDMCUJ4ZVE · pith_short_8: H7PGWVWD

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/H7PGWVWDMCUJ4ZVERFSR42IB5K \
  | 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: 3fde6b56c360a89e66a489651e6901eab95b83a2f7de06eb9d8a3e65f906d9e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eafc20b550fb75f8516df0fe34058159248ef0290a1951b35558e16938a5086",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-03-04T16:57:15Z",
    "title_canon_sha256": "b9acaafb9fbfd82ef94416e3806d462828ff5978b30d1e46c7b69735d379c238"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01535",
    "kind": "arxiv",
    "version": 2
  }
}