Pith Number

pith:VPUWDR6P

pith:2019:VPUWDR6PN3F4BWTF2AJKN5FVHU

not attested not anchored not stored refs pending

Contour Detection in Cassini ISS images based on Hierarchical Extreme Learning Machine and Dense Conditional Random Field

Qingfeng Zhang, Xiqi Yang, Zhan Li

arxiv:1908.08279 v1 · 2019-08-22 · astro-ph.IM · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPUWDR6PN3F4BWTF2AJKN5FVHU}

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	2026-07-05T00:38:03.751676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abe961c7cf6ecbc0da65d012a6f4b53d07419afd7b09f330e5fd93845be97370

Aliases

arxiv: 1908.08279 · arxiv_version: 1908.08279v1 · doi: 10.48550/arxiv.1908.08279 · pith_short_12: VPUWDR6PN3F4 · pith_short_16: VPUWDR6PN3F4BWTF · pith_short_8: VPUWDR6P

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/VPUWDR6PN3F4BWTF2AJKN5FVHU \
  | 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: abe961c7cf6ecbc0da65d012a6f4b53d07419afd7b09f330e5fd93845be97370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7c5591b70b2fcbf0df8bf21fcb5a92028edacf56cd15b8f98eae894e421e78b",
    "cross_cats_sorted": [
      "cs.CV",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-08-22T09:33:30Z",
    "title_canon_sha256": "9539b427c168843f2fef6e7230ca8ac3ee011079fc4f4c5c7f5d82608dd72e96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08279",
    "kind": "arxiv",
    "version": 1
  }
}