Pith Number

pith:E3UQGUXN

pith:2012:E3UQGUXN7EEVM4XYW4T535LETN

not attested not anchored not stored refs pending

Physical Properties of the B and Be Star Populations of h and chi Persei

Amber N. Marsh Boyer, Benjamin Ou-Yang (Lehigh University), Christina Aragona, M. Virginia McSwain

arxiv:1209.5771 v1 · 2012-09-25 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E3UQGUXN7EEVM4XYW4T535LETN}

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	2026-05-18T01:54:18.817224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26e90352edf9095672f8b727ddf5649b63a02ae6aaf831e9d6064dc4b5f1dade

Aliases

arxiv: 1209.5771 · arxiv_version: 1209.5771v1 · doi: 10.48550/arxiv.1209.5771 · pith_short_12: E3UQGUXN7EEV · pith_short_16: E3UQGUXN7EEVM4XY · pith_short_8: E3UQGUXN

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/E3UQGUXN7EEVM4XYW4T535LETN \
  | 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: 26e90352edf9095672f8b727ddf5649b63a02ae6aaf831e9d6064dc4b5f1dade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ea0d0576159ed736d84c38ed08a20d5e774ff1cdf5f59fab9e369337546178b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-25T21:18:16Z",
    "title_canon_sha256": "54a61726df7def80f6eef2e863a60d25b8f58a22e3431e31c248627eb1a53248"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5771",
    "kind": "arxiv",
    "version": 1
  }
}