Pith Number

pith:HARKRLP6

pith:2018:HARKRLP6TQSGMLFCHY5HCYAER6

not attested not anchored not stored refs pending

Blue straggler populations beyond the Milky Way

Chengyuan Li, Licai Deng, Richard de Grijs, Weijia Sun

arxiv:1811.09302 v1 · 2018-11-22 · astro-ph.SR · 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{HARKRLP6TQSGMLFCHY5HCYAER6}

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	2026-05-18T00:00:03.724069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3822a8adfe9c24662ca23e3a7160048faed7923fc147a6f07f96432a6a92865c

Aliases

arxiv: 1811.09302 · arxiv_version: 1811.09302v1 · doi: 10.48550/arxiv.1811.09302 · pith_short_12: HARKRLP6TQSG · pith_short_16: HARKRLP6TQSGMLFC · pith_short_8: HARKRLP6

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/HARKRLP6TQSGMLFCHY5HCYAER6 \
  | 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: 3822a8adfe9c24662ca23e3a7160048faed7923fc147a6f07f96432a6a92865c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75843677b7b3051d00eb0e3f0a9ee4ac08d0a478741784365686e89ad886e295",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-22T20:44:38Z",
    "title_canon_sha256": "9d86aec590eabb334f3ce9e112041c62dbb809881074073b0b27f7db8a61bc01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09302",
    "kind": "arxiv",
    "version": 1
  }
}