Pith Number

pith:V4U4P6FF

pith:2016:V4U4P6FFYGQ4YZ7LEAGAFKG3SS

not attested not anchored not stored refs pending

ASTErIsM - Application of topometric clustering algorithms in automatic galaxy detection and classification

A. Tramacere, D. Paraficz, F. Courbin, J.-P. Kneib, P. Dubath

arxiv:1609.06728 v1 · 2016-09-21 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4U4P6FFYGQ4YZ7LEAGAFKG3SS}

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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	2026-05-18T01:02:36.520633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af29c7f8a5c1a1cc67eb200c02a8db949abf6badc7b5e5d309e5b1f69ba77419

Aliases

arxiv: 1609.06728 · arxiv_version: 1609.06728v1 · doi: 10.48550/arxiv.1609.06728 · pith_short_12: V4U4P6FFYGQ4 · pith_short_16: V4U4P6FFYGQ4YZ7L · pith_short_8: V4U4P6FF

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/V4U4P6FFYGQ4YZ7LEAGAFKG3SS \
  | 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: af29c7f8a5c1a1cc67eb200c02a8db949abf6badc7b5e5d309e5b1f69ba77419

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24da22972468133499916f1392571df31da9902bffe7e27c2424196becd1b767",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-09-21T20:00:09Z",
    "title_canon_sha256": "56e968352f43d825b5f70c958c6c9b2983267195d58ccc2c09e57e22fb3b3b44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06728",
    "kind": "arxiv",
    "version": 1
  }
}