Pith Number

pith:X6BTDXB5

pith:2013:X6BTDXB5PZGRWWO7QQYQ2OM2NV

not attested not anchored not stored refs pending

KAT-7 Science Verification: Using HI Observations of NGC 3109 to Understand its Kinematics and Mass Distribution

(2) SKA South Africa), B. S. Frank (1), C. Carignan (1), D. M. Lucero (1), K. M. Hess (1), S. Goedhart (2), S. S. Passmoor ((1) Department of Astronomy, T. H. Randriamampandry (1), University of Cape Town

arxiv:1306.3227 v1 · 2013-06-13 · astro-ph.CO · 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{X6BTDXB5PZGRWWO7QQYQ2OM2NV}

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	2026-05-18T01:49:22.612293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf8331dc3d7e4d1b59df84310d399a6d4d184ef9ff2f4547471748f17f6d3a1b

Aliases

arxiv: 1306.3227 · arxiv_version: 1306.3227v1 · doi: 10.48550/arxiv.1306.3227 · pith_short_12: X6BTDXB5PZGR · pith_short_16: X6BTDXB5PZGRWWO7 · pith_short_8: X6BTDXB5

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/X6BTDXB5PZGRWWO7QQYQ2OM2NV \
  | 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: bf8331dc3d7e4d1b59df84310d399a6d4d184ef9ff2f4547471748f17f6d3a1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95f730e9fd608c602a3246807999349d91d3271d243aff58eb2563fdd1d40ab2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-13T20:00:03Z",
    "title_canon_sha256": "a3eb0aeb770573c404c0da7752126a8ddb0241add3732aede472b1f12bc4dc37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3227",
    "kind": "arxiv",
    "version": 1
  }
}