Pith Number

pith:6MXNYZVR

pith:2012:6MXNYZVRIIFBG37HLYJW42U4Q5

not attested not anchored not stored refs pending

Beltrami Representation and its applications to texture map and video compression

Ka Chun Lam, Lok Ming Lui, Tsz Wai Wong, Xianfeng Gu

arxiv:1210.8025 v1 · 2012-10-18 · cs.MM · cs.GR · 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{6MXNYZVRIIFBG37HLYJW42U4Q5}

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	2026-05-18T03:41:57.332273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f32edc66b1420a136fe75e136e6a9c87445a4404659a6f872d34e7435dc584fb

Aliases

arxiv: 1210.8025 · arxiv_version: 1210.8025v1 · doi: 10.48550/arxiv.1210.8025 · pith_short_12: 6MXNYZVRIIFB · pith_short_16: 6MXNYZVRIIFBG37H · pith_short_8: 6MXNYZVR

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/6MXNYZVRIIFBG37HLYJW42U4Q5 \
  | 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: f32edc66b1420a136fe75e136e6a9c87445a4404659a6f872d34e7435dc584fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b83ac6376224d260a8a8962eb4b14b1ed1ec0793aee2a884ba9e2531c465f37",
    "cross_cats_sorted": [
      "cs.GR",
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2012-10-18T12:17:12Z",
    "title_canon_sha256": "3d9ede9a7e897f4fbec8567f938ead43188065254c697b10244ee4b8a9183cd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8025",
    "kind": "arxiv",
    "version": 1
  }
}