Pith Number

pith:CJTKRP6C

pith:2019:CJTKRP6CRNX2BTPBYNHAGC6V56

not attested not anchored not stored refs pending

Optimal Projection Guided Transfer Hashing for Image Retrieval

Ji Liu, Lei Zhang

arxiv:1903.00252 v1 · 2019-03-01 · cs.IR · cs.CV · 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{CJTKRP6CRNX2BTPBYNHAGC6V56}

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	2026-05-17T23:52:20.335009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1266a8bfc28b6fa0cde1c34e030bd5efa06f3ff155fe89107c72d09994441fd7

Aliases

arxiv: 1903.00252 · arxiv_version: 1903.00252v1 · doi: 10.48550/arxiv.1903.00252 · pith_short_12: CJTKRP6CRNX2 · pith_short_16: CJTKRP6CRNX2BTPB · pith_short_8: CJTKRP6C

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/CJTKRP6CRNX2BTPBYNHAGC6V56 \
  | 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: 1266a8bfc28b6fa0cde1c34e030bd5efa06f3ff155fe89107c72d09994441fd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "359d2977e95b6a8d4fbc1a889df9a838e62856f1be22cf7b31584218c28796c4",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-03-01T11:43:31Z",
    "title_canon_sha256": "57adacc4ca05dc47dc14b7b0163baa6ad5cca9561411c748142b17e21f28bb49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00252",
    "kind": "arxiv",
    "version": 1
  }
}