Pith Number

pith:HLE67MUF

pith:2018:HLE67MUFP65FPYPFATDSMLKAN4

not attested not anchored not stored refs pending

A Revised Velocity for the Globular Cluster GC-98 in the Ultra Diffuse Galaxy NGC1052-DF2

Aaron Romanowsky, Allison Merritt, Charlie Conroy, Deborah Lokhorst, Jean Brodie, Jielai Zhang, J.M. Diederik Kruijssen, Lamiya Mowla, Pieter van Dokkum, Roberto Abraham, Shany Danieli, Yotam Cohen

arxiv:1806.04685 v2 · 2018-06-12 · 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{HLE67MUFP65FPYPFATDSMLKAN4}

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	2026-05-18T00:12:58.321260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ac9efb2857fba57e1e504c7262d406f3c89b310f59c1c2dd8d4185fc13540d1

Aliases

arxiv: 1806.04685 · arxiv_version: 1806.04685v2 · doi: 10.48550/arxiv.1806.04685 · pith_short_12: HLE67MUFP65F · pith_short_16: HLE67MUFP65FPYPF · pith_short_8: HLE67MUF

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/HLE67MUFP65FPYPFATDSMLKAN4 \
  | 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: 3ac9efb2857fba57e1e504c7262d406f3c89b310f59c1c2dd8d4185fc13540d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8c0b4a77fd38c87955971845dfee340d06361285ba285fea5c10166f9c22469",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-12T18:00:03Z",
    "title_canon_sha256": "ef2554a186310fb173f34e26151dc1934d62c076be57bf8140ceed446f1c23f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04685",
    "kind": "arxiv",
    "version": 2
  }
}