Pith Number

pith:VDGHW2ZV

pith:2018:VDGHW2ZV42AR5HAKADQT4FJEHI

not attested not anchored not stored refs pending

The changing GMC population in galaxy interactions

Alex R. Pettitt, Asao Habe, Clare L. Dobbs, Elizabeth J. Tasker, Fumi Egusa, Yusuke Fujimoto

arxiv:1807.09980 v1 · 2018-07-26 · 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{VDGHW2ZV42AR5HAKADQT4FJEHI}

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	2026-05-18T00:08:37.755992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8cc7b6b35e6811e9c0a00e13e15243a1eb6d2311ffa5f24b6e60d2384179703

Aliases

arxiv: 1807.09980 · arxiv_version: 1807.09980v1 · doi: 10.48550/arxiv.1807.09980 · pith_short_12: VDGHW2ZV42AR · pith_short_16: VDGHW2ZV42AR5HAK · pith_short_8: VDGHW2ZV

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/VDGHW2ZV42AR5HAKADQT4FJEHI \
  | 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: a8cc7b6b35e6811e9c0a00e13e15243a1eb6d2311ffa5f24b6e60d2384179703

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e76f7d377fdb2cbf75ed8ebd87627690bc53e69d43ca25f64ad5daecd1d38339",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-26T07:13:41Z",
    "title_canon_sha256": "1eb98c37349967be1a2b33778f85fa4dd84c5a876f12488fa066b35ae96a901d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09980",
    "kind": "arxiv",
    "version": 1
  }
}