Pith Number

pith:3QP22UL3

pith:2016:3QP22UL3M5G6J4FZR3ZMNQSG7B

not attested not anchored not stored refs pending

Embedding based on function approximation for large scale image search

Ngai-Man Cheung, Thanh-Toan Do

arxiv:1605.06914 v3 · 2016-05-23 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QP22UL3M5G6J4FZR3ZMNQSG7B}

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	2026-05-18T00:47:20.947200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc1fad517b674de4f0b98ef2c6c246f873b39dc356c625ff4e0078040ef340b3

Aliases

arxiv: 1605.06914 · arxiv_version: 1605.06914v3 · doi: 10.48550/arxiv.1605.06914 · pith_short_12: 3QP22UL3M5G6 · pith_short_16: 3QP22UL3M5G6J4FZ · pith_short_8: 3QP22UL3

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/3QP22UL3M5G6J4FZR3ZMNQSG7B \
  | 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: dc1fad517b674de4f0b98ef2c6c246f873b39dc356c625ff4e0078040ef340b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "490cb1f59af62876701a87bfa3e5a1927b29a2a4185d747ae2ca2d9b31105264",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-05-23T07:12:54Z",
    "title_canon_sha256": "77667e1906ef14693d9c512f206f3c5f8bd157543ed257cc088adb13716c4eb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06914",
    "kind": "arxiv",
    "version": 3
  }
}