Pith Number

pith:WYM65KHE

pith:2006:WYM65KHEQJUOPY4PQLDBHCWQOQ

not attested not anchored not stored refs pending

Estimating Be Star Disk Radii using H-alpha Emission Equivalent Widths

Douglas R. Gies, Erika D. Grundstrom

arxiv:astro-ph/0609602 v1 · 2006-09-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYM65KHEQJUOPY4PQLDBHCWQOQ}

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	2026-05-18T04:28:57.625851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b619eea8e48268e7e38f82c6138ad0743253442ea3eb25835358135ac4a59799

Aliases

arxiv: astro-ph/0609602 · arxiv_version: astro-ph/0609602v1 · doi: 10.48550/arxiv.astro-ph/0609602 · pith_short_12: WYM65KHEQJUO · pith_short_16: WYM65KHEQJUOPY4P · pith_short_8: WYM65KHE

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/WYM65KHEQJUOPY4PQLDBHCWQOQ \
  | 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: b619eea8e48268e7e38f82c6138ad0743253442ea3eb25835358135ac4a59799

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d31e569598fbd8e30c1e52bb38ce52875f2eb36e627c663bef43aeb42327e0a4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-21T19:17:28Z",
    "title_canon_sha256": "c69fff3cc6f4e8de9f4b150efda86a6cbae6289d4c07e31696101e41ed5fa7d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609602",
    "kind": "arxiv",
    "version": 1
  }
}