Pith Number

pith:R2253ARI

pith:2016:R2253ARIDQWGRP7L6FYBETGTK3

not attested not anchored not stored refs pending

Constraining ultra-compact dwarf galaxy formation with galaxy clusters in the local universe

Brendan F. Griffen, Holger Baumgardt, Joel Pfeffer, Michael Hilker

arxiv:1603.00032 v1 · 2016-02-29 · 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{R2253ARIDQWGRP7L6FYBETGTK3}

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	2026-05-18T01:18:37.081235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eb5dd82281c2c68bfebf170124cd356f49d47bd103346576583ccc59c2df328

Aliases

arxiv: 1603.00032 · arxiv_version: 1603.00032v1 · doi: 10.48550/arxiv.1603.00032 · pith_short_12: R2253ARIDQWG · pith_short_16: R2253ARIDQWGRP7L · pith_short_8: R2253ARI

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/R2253ARIDQWGRP7L6FYBETGTK3 \
  | 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: 8eb5dd82281c2c68bfebf170124cd356f49d47bd103346576583ccc59c2df328

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f2469175c529233d25753d1d4a95c708d1b7722b535f97e675de21f49a73b39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-29T21:00:12Z",
    "title_canon_sha256": "25d556bc54a88eb19de174ac5bcc6caf7acb179c71ee952ac8cef85286e4f0a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00032",
    "kind": "arxiv",
    "version": 1
  }
}