Pith Number

pith:GME47AWT

pith:2019:GME47AWT2TJEWTROMQ7HPZVXRQ

not attested not anchored not stored refs pending

SurfaceBrush: From Virtual Reality Drawings to Manifold Surfaces

Alla Sheffer, Enrique Rosales, Jafet Rodriguez

arxiv:1904.12297 v1 · 2019-04-28 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GME47AWT2TJEWTROMQ7HPZVXRQ}

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	2026-05-17T23:47:36.856837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3309cf82d3d4d24b4e2e643e77e6b78c0171312af31190da688815ef2cd49a66

Aliases

arxiv: 1904.12297 · arxiv_version: 1904.12297v1 · doi: 10.48550/arxiv.1904.12297 · pith_short_12: GME47AWT2TJE · pith_short_16: GME47AWT2TJEWTRO · pith_short_8: GME47AWT

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/GME47AWT2TJEWTROMQ7HPZVXRQ \
  | 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: 3309cf82d3d4d24b4e2e643e77e6b78c0171312af31190da688815ef2cd49a66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d5994e3bb15eb7a6642bc41114c700fe468fe37a99bdfb191ebefea8356a31d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2019-04-28T10:23:06Z",
    "title_canon_sha256": "b162fb8b0c2c56d046abed1938f0aba8a42917e93719010db11e7b130eea8e69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12297",
    "kind": "arxiv",
    "version": 1
  }
}