Pith Number

pith:LDVLXOTW

pith:2017:LDVLXOTWIUNHASPLRK4224RWW2

not attested not anchored not stored refs pending

Quadratic Points of Surfaces in Projective 3-Space

Marcos Craizer, Ronaldo Alves Garcia

arxiv:1711.10743 v1 · 2017-11-29 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LDVLXOTWIUNHASPLRK4224RWW2}

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	2026-05-18T00:29:17.119383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58eabbba76451a7049eb8ab9ad7236b69c279bc02dcfd3e5614e90854f8ab3a0

Aliases

arxiv: 1711.10743 · arxiv_version: 1711.10743v1 · doi: 10.48550/arxiv.1711.10743 · pith_short_12: LDVLXOTWIUNH · pith_short_16: LDVLXOTWIUNHASPL · pith_short_8: LDVLXOTW

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/LDVLXOTWIUNHASPLRK4224RWW2 \
  | 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: 58eabbba76451a7049eb8ab9ad7236b69c279bc02dcfd3e5614e90854f8ab3a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6c08998ffc6851b67f3f98254d3aa5abd44f6dfc4ceda54376f757bc92a0cf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-11-29T09:29:53Z",
    "title_canon_sha256": "faabbeb5e835f002ab4cf221bb2296690c4ad9824f2e65076b5458748076cf6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.10743",
    "kind": "arxiv",
    "version": 1
  }
}