Pith Number

pith:F7IZR4CW

pith:2017:F7IZR4CWL6XQU2LVOUPKZ53XQU

not attested not anchored not stored refs pending

Deep Discrete Hashing with Self-supervised Pairwise Labels

Hangbo Fan, Jingkuan Song, Lianli Gao, Tao He

arxiv:1707.02112 v1 · 2017-07-07 · 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{F7IZR4CWL6XQU2LVOUPKZ53XQU}

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	2026-05-18T00:40:42.896633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fd198f0565faf0a6975751eacf77785267d61e56f16dfa9bb13fdc6bc67fb23

Aliases

arxiv: 1707.02112 · arxiv_version: 1707.02112v1 · doi: 10.48550/arxiv.1707.02112 · pith_short_12: F7IZR4CWL6XQ · pith_short_16: F7IZR4CWL6XQU2LV · pith_short_8: F7IZR4CW

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/F7IZR4CWL6XQU2LVOUPKZ53XQU \
  | 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: 2fd198f0565faf0a6975751eacf77785267d61e56f16dfa9bb13fdc6bc67fb23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7ad2367215fd1c53f5eb4b504adce06142953159ea870271820db654400ca80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-07T10:36:29Z",
    "title_canon_sha256": "9a974a14fff5738f2420f14322362057f9ab27176db3da09ea229ab11084ccf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02112",
    "kind": "arxiv",
    "version": 1
  }
}