Pith Number

pith:QOSZFSG7

pith:2014:QOSZFSG7HYWNBKBCYUYVH2XB4Q

not attested not anchored not stored refs pending

Morphological classification of radio sources for galaxy evolution and cosmology with SKA-MID

Ian Heywood, Matt Jarvis, Oleg Smirnov, Sphesihle Makhathini

arxiv:1412.5990 v1 · 2014-12-18 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOSZFSG7HYWNBKBCYUYVH2XB4Q}

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	2026-05-18T02:30:55.796714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83a592c8df3e2cd0a822c53153eae1e417bc4297be268671e3c956f99df36fee

Aliases

arxiv: 1412.5990 · arxiv_version: 1412.5990v1 · doi: 10.48550/arxiv.1412.5990 · pith_short_12: QOSZFSG7HYWN · pith_short_16: QOSZFSG7HYWNBKBC · pith_short_8: QOSZFSG7

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/QOSZFSG7HYWNBKBCYUYVH2XB4Q \
  | 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: 83a592c8df3e2cd0a822c53153eae1e417bc4297be268671e3c956f99df36fee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4240d1b5bf67148801bdf13877eb5dc28a7670a92503a0ae8a7e27590a3b5dc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-12-18T18:40:10Z",
    "title_canon_sha256": "cc57624b3d70dd78bdd00b80c741af83df80893d302d3b14ee0825fdf9da4a32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5990",
    "kind": "arxiv",
    "version": 1
  }
}