Pith Number

pith:Q3PXEOU4

pith:2012:Q3PXEOU4UCHVQZOYMRSUXINV62

not attested not anchored not stored refs pending

Pre-existing dwarfs, tidal knots and a tidal dwarf galaxy: an unbiased HI study of the gas-rich interacting galaxy group NGC 3166/9

Jayaram Chengalur, Karen Lee-Waddell, Kristine Spekkens, Martha P. Haynes, Poonam Chandra, Riccardo Giovanelli, Sabrina Stierwalt

arxiv:1209.3519 v1 · 2012-09-16 · 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{Q3PXEOU4UCHVQZOYMRSUXINV62}

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	2026-05-18T03:38:43.593950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86df723a9ca08f5865d864654ba1b5f6b38cac4d0b732496b17f8b28e494b4e6

Aliases

arxiv: 1209.3519 · arxiv_version: 1209.3519v1 · doi: 10.48550/arxiv.1209.3519 · pith_short_12: Q3PXEOU4UCHV · pith_short_16: Q3PXEOU4UCHVQZOY · pith_short_8: Q3PXEOU4

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/Q3PXEOU4UCHVQZOYMRSUXINV62 \
  | 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: 86df723a9ca08f5865d864654ba1b5f6b38cac4d0b732496b17f8b28e494b4e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62d022c92bec5b7ef6e4f13c939ca7255c99e53862274a11636a51fd499b6fd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-16T20:51:01Z",
    "title_canon_sha256": "0ad0908f7d0e1a55cb94ab5664b51233afbf6ef651162ad5acc92115ad9b8e79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3519",
    "kind": "arxiv",
    "version": 1
  }
}