Pith Number

pith:XGV7LALT

pith:2009:XGV7LALT5QFSMS3MX4QYQQFP3F

not attested not anchored not stored refs pending

Tidal Dwarf Galaxies around a Post-merger Galaxy, NGC 4922

Barry F. Madore, Chang H. Ree, David Schiminovich, D. Christopher Martin, Hyunjin Jeong, Ignacio Ferreras, Jang-Hyun Park, Jennifer M. Lotz, Karl Foster, Knut A. G. Olsen, Mark Dickinson, Mark Seibert, Patrick Morrissey, Peter G. Friendman, Sukyoung K. Yi, Susan G. Neff, Sydney Barnes, Ted K. Wyder, Tim Conrow, Todd Small, Tom A. Barlow, Young-Wook Lee, Yun-Kyeong Sheen

arxiv:0910.2351 v2 · 2009-10-13 · astro-ph.CO · astro-ph.GA

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

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	2026-05-18T02:34:19.096661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9abf58173ec0b264b6cbf218840afd96b205460ddfd01e55f32aeabdc56cd2d

Aliases

arxiv: 0910.2351 · arxiv_version: 0910.2351v2 · doi: 10.48550/arxiv.0910.2351 · pith_short_12: XGV7LALT5QFS · pith_short_16: XGV7LALT5QFSMS3M · pith_short_8: XGV7LALT

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/XGV7LALT5QFSMS3MX4QYQQFP3F \
  | 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: b9abf58173ec0b264b6cbf218840afd96b205460ddfd01e55f32aeabdc56cd2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4a9e3b2308111c18cfc687ad932be6a6420a206c36515fdc30e6542de5c8563",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-13T10:11:34Z",
    "title_canon_sha256": "66a52c6bed06368a59cedc8444e4c6e9d0382ffb531db28cbc54cc056a284c87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2351",
    "kind": "arxiv",
    "version": 2
  }
}