Pith Number

pith:GR7PKFUQ

pith:2019:GR7PKFUQUMJI5IFXULNTWAJT6L

not attested not anchored not stored refs pending

Tag-based Semantic Features for Scene Image Classification

Anish Basnet, Chiranjibi Sitaula, Sunil Aryal, Xuequan Lu, Yong Xiang

arxiv:1909.09999 v1 · 2019-09-22 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GR7PKFUQUMJI5IFXULNTWAJT6L}

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	2026-07-05T00:35:02.257943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

347ef51690a3128ea0b7a2db3b0133f2e1f6d2a07139fdcf2aee32c8ac01f594

Aliases

arxiv: 1909.09999 · arxiv_version: 1909.09999v1 · doi: 10.48550/arxiv.1909.09999 · pith_short_12: GR7PKFUQUMJI · pith_short_16: GR7PKFUQUMJI5IFX · pith_short_8: GR7PKFUQ

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/GR7PKFUQUMJI5IFXULNTWAJT6L \
  | 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: 347ef51690a3128ea0b7a2db3b0133f2e1f6d2a07139fdcf2aee32c8ac01f594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05ec8820bec923870d3f029163a9f80d3987db32816596e3269d9eb6b4683280",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-22T13:17:39Z",
    "title_canon_sha256": "27790c0f568d394572b66c54b2bbce772dbf2474f063b25661a64c00daa11704"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09999",
    "kind": "arxiv",
    "version": 1
  }
}