Pith Number

pith:RHRJMIYC

pith:2015:RHRJMIYCL2JAIZYYBPSL6WAG5T

not attested not anchored not stored refs pending

Spectroscopic Confirmation of the Dwarf Galaxies Hydra II and Pisces II and the Globular Cluster Laevens 1

(2) Carnegie Observatories), Evan N. Kirby (1), Joshua D. Simon (2), Judith G. Cohen (1) ((1) Caltech

arxiv:1506.01021 v2 · 2015-06-02 · 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{RHRJMIYCL2JAIZYYBPSL6WAG5T}

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	2026-05-18T01:34:34.611306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89e29623025e920467180be4bf5806ecfab780f4f23a385456f5e5dd5f7c67ba

Aliases

arxiv: 1506.01021 · arxiv_version: 1506.01021v2 · doi: 10.48550/arxiv.1506.01021 · pith_short_12: RHRJMIYCL2JA · pith_short_16: RHRJMIYCL2JAIZYY · pith_short_8: RHRJMIYC

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/RHRJMIYCL2JAIZYYBPSL6WAG5T \
  | 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: 89e29623025e920467180be4bf5806ecfab780f4f23a385456f5e5dd5f7c67ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6292c361ec572115a4a2e912133d5060a7f6dd76e0263a6fd8d17f7b44677b12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-02T20:00:32Z",
    "title_canon_sha256": "07464cb7b16a28c0d57b6ec018765f087694e65c0b6808fc944733aade1f5a55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01021",
    "kind": "arxiv",
    "version": 2
  }
}