Pith Number

pith:45FXWH7A

pith:2020:45FXWH7ABSN3TRTM5A2DECVHD2

not attested not anchored not stored refs pending

The dynamics of the {\gamma} Vel cluster and nearby Vela OB2 association

Joseph J. Armstrong, Nicholas J. Wright, R. D. Jeffries, R. J. Jackson

arxiv:2003.14209 v1 · 2020-03-31 · astro-ph.SR · 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{45FXWH7ABSN3TRTM5A2DECVHD2}

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	2026-07-05T00:55:13.848355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e74b7b1fe00c9bb9c66ce834320aa71ebe40cdcb11045b024f6e5afcbc5655a1

Aliases

arxiv: 2003.14209 · arxiv_version: 2003.14209v1 · doi: 10.48550/arxiv.2003.14209 · pith_short_12: 45FXWH7ABSN3 · pith_short_16: 45FXWH7ABSN3TRTM · pith_short_8: 45FXWH7A

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/45FXWH7ABSN3TRTM5A2DECVHD2 \
  | 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: e74b7b1fe00c9bb9c66ce834320aa71ebe40cdcb11045b024f6e5afcbc5655a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea3f7a78f9debbfeaa16e3cc74130cfe38b6e32c2e0da253d1e7c09a5fa9e6ff",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-03-31T13:49:29Z",
    "title_canon_sha256": "7b4cea4e0d3ca0f7c3916ebed6c999123708e66fdd87e0ec5765302c4e5a8f57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.14209",
    "kind": "arxiv",
    "version": 1
  }
}