Pith Number

pith:36NW3KZ2

pith:2019:36NW3KZ2SPICFMXYE3W6QGHZWW

not attested not anchored not stored refs pending

Unsupervised Rank-Preserving Hashing for Large-Scale Image Retrieval

Shih-Fu Chang, Svebor Karaman, Xudong Lin, Xuefeng Hu

arxiv:1903.01545 v1 · 2019-03-04 · cs.CV · cs.IR · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{36NW3KZ2SPICFMXYE3W6QGHZWW}

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	2026-05-17T23:52:00.348801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df9b6dab3a93d022b2f826ede818f9b5a437600750fe97790907b50eb9a3853c

Aliases

arxiv: 1903.01545 · arxiv_version: 1903.01545v1 · doi: 10.48550/arxiv.1903.01545 · pith_short_12: 36NW3KZ2SPIC · pith_short_16: 36NW3KZ2SPICFMXY · pith_short_8: 36NW3KZ2

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/36NW3KZ2SPICFMXYE3W6QGHZWW \
  | 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: df9b6dab3a93d022b2f826ede818f9b5a437600750fe97790907b50eb9a3853c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec5502c3a67c656aac29e6c09c497d5e86f756a5167699178ae496d18a7130e6",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-04T21:24:26Z",
    "title_canon_sha256": "763892e0bb84a911a54088f3475d4ca919a338fb8814f65dd8780558043ee5d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01545",
    "kind": "arxiv",
    "version": 1
  }
}