Pith Number

pith:DQJKVTV3

pith:2009:DQJKVTV3E7T26KRDI5ORVDVHCH

not attested not anchored not stored refs pending

A kinematic study of the irregular dwarf galaxy NGC 4861 using HI and Halpha observations

B.S. Koribalski, D.J. Bomans, J.-L. Gach, J. van Eymeren, M. Marcelin, P. Balard, R.-J. Dettmar

arxiv:0907.4635 v1 · 2009-07-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQJKVTV3E7T26KRDI5ORVDVHCH}

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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	2026-05-18T02:12:47.530818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c12aacebb27e7af2a23475d1a8ea711cd0c05a2889e4420de3940aebbb2fcaf

Aliases

arxiv: 0907.4635 · arxiv_version: 0907.4635v1 · doi: 10.48550/arxiv.0907.4635 · pith_short_12: DQJKVTV3E7T2 · pith_short_16: DQJKVTV3E7T26KRD · pith_short_8: DQJKVTV3

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/DQJKVTV3E7T26KRDI5ORVDVHCH \
  | 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: 1c12aacebb27e7af2a23475d1a8ea711cd0c05a2889e4420de3940aebbb2fcaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "406572f0663c1bc388fdbb367910473983a957c13f312aa34c83eafbbab2887f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-27T14:12:39Z",
    "title_canon_sha256": "9b0ecb04fd0254ee6a4d2a800965bb104d0cffaf66fcb6e1ffa5b6074a00475f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4635",
    "kind": "arxiv",
    "version": 1
  }
}