Pith Number

pith:E2XCTYAZ

pith:2019:E2XCTYAZH432Y6HAHJLN6BKCCD

not attested not anchored not stored refs pending

The blue straggler population of the old open cluster Berkeley 17

Giacomo Beccari, Kaushar Vaidya, Souradeep Bhattacharya, W. P. Chen

arxiv:1902.05891 v1 · 2019-02-15 · 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{E2XCTYAZH432Y6HAHJLN6BKCCD}

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	2026-05-17T23:49:39.000609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26ae29e0193f37ac78e03a56df054210f646f4fef109e43ed5282fdcae74ae5e

Aliases

arxiv: 1902.05891 · arxiv_version: 1902.05891v1 · doi: 10.48550/arxiv.1902.05891 · pith_short_12: E2XCTYAZH432 · pith_short_16: E2XCTYAZH432Y6HA · pith_short_8: E2XCTYAZ

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/E2XCTYAZH432Y6HAHJLN6BKCCD \
  | 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: 26ae29e0193f37ac78e03a56df054210f646f4fef109e43ed5282fdcae74ae5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "314635bb555dbd00a8bf5c155e960b833059c13fe839336c4aaaa4fc9bf3fb28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-15T17:25:33Z",
    "title_canon_sha256": "4a220d96d9aba3b12157eeb05296bdd4b43139b65f1568996d621014e35b5308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05891",
    "kind": "arxiv",
    "version": 1
  }
}