Pith Number

pith:ZXR7DQ52

pith:2014:ZXR7DQ52USIVHL7KOVUU4AVOTI

not attested not anchored not stored refs pending

Discovery of a Small Central Disk of CO and HI in the Merger Remnant NGC 34

A.O. Petric, Francois Schweizer, J.H. van Gorkom, Ximena Fern\'andez

arxiv:1401.1821 v1 · 2014-01-08 · 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{ZXR7DQ52USIVHL7KOVUU4AVOTI}

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	2026-05-18T01:45:27.350773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cde3f1c3baa49153afea75694e02ae9a141a429622da35dd5805e26e49c91e07

Aliases

arxiv: 1401.1821 · arxiv_version: 1401.1821v1 · doi: 10.48550/arxiv.1401.1821 · pith_short_12: ZXR7DQ52USIV · pith_short_16: ZXR7DQ52USIVHL7K · pith_short_8: ZXR7DQ52

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/ZXR7DQ52USIVHL7KOVUU4AVOTI \
  | 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: cde3f1c3baa49153afea75694e02ae9a141a429622da35dd5805e26e49c91e07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "163dcaa4bfe8127e942ab747b5c369d657bfef19aa69f3de40b991d4b452440c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-08T21:00:19Z",
    "title_canon_sha256": "fa53b1b92d61f5ed473388df5a73463904217d5195d914fe5e38feef10e99741"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1821",
    "kind": "arxiv",
    "version": 1
  }
}