Pith Number

pith:MCOTF5CV

pith:2016:MCOTF5CV3DXIRYZJYGU5B3UBPY

not attested not anchored not stored refs pending

Clues to the nature of ultra diffuse galaxies from estimated galaxy velocity dispersions

Dennis Zaritsky (Steward Observatory, University of Arizona)

arxiv:1609.08169 v2 · 2016-09-26 · 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{MCOTF5CV3DXIRYZJYGU5B3UBPY}

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	2026-05-18T00:50:18.883912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

609d32f455d8ee88e329c1a9d0ee817e02e35d377765f0355f2a2bad9671bc13

Aliases

arxiv: 1609.08169 · arxiv_version: 1609.08169v2 · doi: 10.48550/arxiv.1609.08169 · pith_short_12: MCOTF5CV3DXI · pith_short_16: MCOTF5CV3DXIRYZJ · pith_short_8: MCOTF5CV

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/MCOTF5CV3DXIRYZJYGU5B3UBPY \
  | 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: 609d32f455d8ee88e329c1a9d0ee817e02e35d377765f0355f2a2bad9671bc13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d266dff9ac8257e2e36b6dae4a6df7bfd0e699c610295200ff5d5214a81090b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-26T20:00:52Z",
    "title_canon_sha256": "a2af74d3f1c25972f7d39254717c2723fdad0476917b5816bf1c63890157ca37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08169",
    "kind": "arxiv",
    "version": 2
  }
}