Pith Number

pith:NHLKPPDY

pith:2017:NHLKPPDY7HHRXQQ3OSMO4DYAOP

not attested not anchored not stored refs pending

Learning Compact Geometric Features

Marc Khoury, Qian-Yi Zhou, Vladlen Koltun

arxiv:1709.05056 v1 · 2017-09-15 · 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{NHLKPPDY7HHRXQQ3OSMO4DYAOP}

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	2026-05-18T00:35:06.821938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69d6a7bc78f9cf1bc21b7498ee0f0073fb90541917adc523502c25980a4d0872

Aliases

arxiv: 1709.05056 · arxiv_version: 1709.05056v1 · doi: 10.48550/arxiv.1709.05056 · pith_short_12: NHLKPPDY7HHR · pith_short_16: NHLKPPDY7HHRXQQ3 · pith_short_8: NHLKPPDY

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/NHLKPPDY7HHRXQQ3OSMO4DYAOP \
  | 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: 69d6a7bc78f9cf1bc21b7498ee0f0073fb90541917adc523502c25980a4d0872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8006a4346137b1e51d1db43b216ff6de62e9082b1f9089220da563e430730576",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-15T04:44:28Z",
    "title_canon_sha256": "ac7cfab5aaf40153972c71345640d94bb86c317dc626c8eb2c463f85e352b8c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05056",
    "kind": "arxiv",
    "version": 1
  }
}