Pith Number

pith:53JONNHB

pith:2019:53JONNHBLDAAYEBXVFYQY4GSQY

not attested not anchored not stored refs pending

Learning to Approximate Directional Fields Defined over 2D Planes

Albert Matveev, Alexey Artemov, Evgeny Burnaev, Maria Taktasheva

arxiv:1907.00559 v1 · 2019-07-01 · cs.CV · cs.GR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{53JONNHBLDAAYEBXVFYQY4GSQY}

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	2026-05-17T23:41:51.205856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eed2e6b4e158c00c1037a9710c70d28623c6611a1f58984fa0be7f5b708c4108

Aliases

arxiv: 1907.00559 · arxiv_version: 1907.00559v1 · doi: 10.48550/arxiv.1907.00559 · pith_short_12: 53JONNHBLDAA · pith_short_16: 53JONNHBLDAAYEBX · pith_short_8: 53JONNHB

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/53JONNHBLDAAYEBXVFYQY4GSQY \
  | 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: eed2e6b4e158c00c1037a9710c70d28623c6611a1f58984fa0be7f5b708c4108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "391ff0e1ed3829c0b4c76887a7adcd32dc4690981b7a5800d02d061af6e3e060",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-01T05:58:46Z",
    "title_canon_sha256": "24c6e15aff01e8df70ade41eff227b28189a08c9738bd0a2d94e6b75f7819282"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00559",
    "kind": "arxiv",
    "version": 1
  }
}