Pith Number

pith:FBCNAJU3

pith:2016:FBCNAJU36H3TBOPVM2QM4L4F5A

not attested not anchored not stored refs pending

Extraction of Active Regions and Coronal Holes from EUV Images Using the Unsupervised Segmentation Method in the Bayesian Framework

Ali Amiri, Hossein Safari, Mohsen Javaherian, Saeid Arish

arxiv:1604.04988 v1 · 2016-04-18 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBCNAJU36H3TBOPVM2QM4L4F5A}

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	2026-05-18T01:16:56.126680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2844d0269bf1f730b9f566a0ce2f85e8347a40ef80b3d9f54331e9d2798e49d3

Aliases

arxiv: 1604.04988 · arxiv_version: 1604.04988v1 · doi: 10.48550/arxiv.1604.04988 · pith_short_12: FBCNAJU36H3T · pith_short_16: FBCNAJU36H3TBOPV · pith_short_8: FBCNAJU3

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/FBCNAJU36H3TBOPVM2QM4L4F5A \
  | 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: 2844d0269bf1f730b9f566a0ce2f85e8347a40ef80b3d9f54331e9d2798e49d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fd95b9f0cee2f6a941a8ceba1aa1bef0514366ffff7b94d6c9495a235a4524b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-04-18T05:14:58Z",
    "title_canon_sha256": "5c8b0ae1cf1fef8378be011c988057c524af95b1e533e23262d52b463a140681"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04988",
    "kind": "arxiv",
    "version": 1
  }
}