Pith Number

pith:PAIARXNK

pith:2017:PAIARXNKEHU62PK3NDCSXWB2XR

not attested not anchored not stored refs pending

Gemini Spectra of Star Clusters in the Spiral Galaxy M101

Bradley C. Whitmore, Bryan Miller, Lesley A. Simanton-Coogan, Rupali Chandar

arxiv:1712.06650 v1 · 2017-12-18 · 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{PAIARXNKEHU62PK3NDCSXWB2XR}

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	2026-05-18T00:27:40.924692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

781008ddaa21e9ed3d5b68c52bd83abc7610c49bb0b9748a29cfb94cd562ee67

Aliases

arxiv: 1712.06650 · arxiv_version: 1712.06650v1 · doi: 10.48550/arxiv.1712.06650 · pith_short_12: PAIARXNKEHU6 · pith_short_16: PAIARXNKEHU62PK3 · pith_short_8: PAIARXNK

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/PAIARXNKEHU62PK3NDCSXWB2XR \
  | 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: 781008ddaa21e9ed3d5b68c52bd83abc7610c49bb0b9748a29cfb94cd562ee67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0414e517e3dab27123b20fa90a010bfe143a5b699e3a8ea81922701f37c5e12f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-18T19:52:26Z",
    "title_canon_sha256": "88df5975d87934a043fa9799d811a662927eb1fe8bee2341e593cb8480613fff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06650",
    "kind": "arxiv",
    "version": 1
  }
}