Pith Number

pith:X373BUSB

pith:2019:X373BUSBU7AM7FHJVHNWUQ3XF2

not attested not anchored not stored refs pending

Global Hashing System for Fast Image Search

Dacheng Tao, Dayong Tian

arxiv:1904.08685 v1 · 2019-04-18 · 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{X373BUSBU7AM7FHJVHNWUQ3XF2}

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	2026-05-17T23:48:13.389883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beffb0d241a7c0cf94e9a9db6a43772eb700509f794877f50d56957013ba1733

Aliases

arxiv: 1904.08685 · arxiv_version: 1904.08685v1 · doi: 10.48550/arxiv.1904.08685 · pith_short_12: X373BUSBU7AM · pith_short_16: X373BUSBU7AM7FHJ · pith_short_8: X373BUSB

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/X373BUSBU7AM7FHJVHNWUQ3XF2 \
  | 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: beffb0d241a7c0cf94e9a9db6a43772eb700509f794877f50d56957013ba1733

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3f4cd43982ff29d917d4380eb1f4ed1d094aa46899931dc31bf643d2acbb418",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-18T11:02:52Z",
    "title_canon_sha256": "82d25aa49e57376bf7c95976b4e5d33c0cf7d6e301f08c080f65d1ea8b492f38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08685",
    "kind": "arxiv",
    "version": 1
  }
}