Pith Number

pith:VGRNPNHV

pith:2013:VGRNPNHVWBEEJRVLHJP6UBOGTR

not attested not anchored not stored refs pending

Lessons from Comparisons between the Nuclear Region of the Milky Way & Those in Nearby Spirals

Ellen G. Zweibel, J. S. Gallagher III, Tova M. Yoast-Hull

arxiv:1312.4433 v1 · 2013-12-16 · 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{VGRNPNHVWBEEJRVLHJP6UBOGTR}

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	2026-05-18T01:45:50.200831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9a2d7b4f5b04844c6ab3a5fea05c69c5c6a7801ca63df62229bdfd1f3d348e8

Aliases

arxiv: 1312.4433 · arxiv_version: 1312.4433v1 · doi: 10.48550/arxiv.1312.4433 · pith_short_12: VGRNPNHVWBEE · pith_short_16: VGRNPNHVWBEEJRVL · pith_short_8: VGRNPNHV

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/VGRNPNHVWBEEJRVLHJP6UBOGTR \
  | 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: a9a2d7b4f5b04844c6ab3a5fea05c69c5c6a7801ca63df62229bdfd1f3d348e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "914c2da12957a9580b99536979bd943dadd5a0c46d3e209d3c7b66bf9cf50367",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-16T17:24:36Z",
    "title_canon_sha256": "28e5aaf273a7970346c95c943d51c2b9c3868b1e4e9fdf44e14f7337be178d3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4433",
    "kind": "arxiv",
    "version": 1
  }
}