Pith Number

pith:JP3MXRYS

pith:2012:JP3MXRYS27RJ57LRIYDG6BOSL5

not attested not anchored not stored refs pending

Discovery of a giant HI tail in the galaxy group HCG 44

Alison F. Crocker, Anne-Marie Weijmans, Baerbel Koribalski, Davor Krajnovic, Eric Emsellem, Frederic Bournaud, Harald Kuntschner, Jean-Charles Cuillandre, Katherine Alatalo, Leo Blitz, Leo Michel-Dansac, Lisa M. Young, Marc Sarzi, Martin Bureau, Maxime Bois, Michele Cappellari, Nicholas Scott, Paolo Serra, Pierre-Alain Duc, Pierre-Yves Lablanche, P. T. de Zeeuw, Raffaella Morganti, Richard M. McDermid, Roger L. Davies, Sadegh Khochfar, Thorsten Naab, Timothy A. Davis, Tom Oosterloo

arxiv:1209.4107 v1 · 2012-09-18 · 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{JP3MXRYS27RJ57LRIYDG6BOSL5}

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	2026-05-18T01:54:26.622626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bf6cbc712d7e29efd7146066f05d25f6ffe2807c3e72d1a3a7d88b2c7b6cb0a

Aliases

arxiv: 1209.4107 · arxiv_version: 1209.4107v1 · doi: 10.48550/arxiv.1209.4107 · pith_short_12: JP3MXRYS27RJ · pith_short_16: JP3MXRYS27RJ57LR · pith_short_8: JP3MXRYS

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/JP3MXRYS27RJ57LRIYDG6BOSL5 \
  | 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: 4bf6cbc712d7e29efd7146066f05d25f6ffe2807c3e72d1a3a7d88b2c7b6cb0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7231bfa9ce9f88a4b8135726e999cbec8496f0d582ec88004aa22d49b6d8928b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-18T21:29:53Z",
    "title_canon_sha256": "f8d3da425cdd21669f3982b019eeafcc7d82c679189c34213e7bf7d3d6442a8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4107",
    "kind": "arxiv",
    "version": 1
  }
}