Pith Number

pith:DZ2DPZBU

pith:2010:DZ2DPZBURZTTQ7HQMZ5WGR4GUV

not attested not anchored not stored refs pending

The Be Star HD 215227: A Candidate Gamma-ray Binary

D.R. Gies, E.D. Grundstrom, M.V. McSwain, R.A. Matson, S.J. Williams, W. Huang, Y. Touhami

arxiv:1009.4947 v1 · 2010-09-24 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DZ2DPZBURZTTQ7HQMZ5WGR4GUV}

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	2026-05-18T02:05:17.427247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e7437e4348e67387cf0667b634786a562cada79efd2cd9a2419b838d9f0a7c6

Aliases

arxiv: 1009.4947 · arxiv_version: 1009.4947v1 · doi: 10.48550/arxiv.1009.4947 · pith_short_12: DZ2DPZBURZTT · pith_short_16: DZ2DPZBURZTTQ7HQ · pith_short_8: DZ2DPZBU

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/DZ2DPZBURZTTQ7HQMZ5WGR4GUV \
  | 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: 1e7437e4348e67387cf0667b634786a562cada79efd2cd9a2419b838d9f0a7c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a60acd890bf93c575c9ae42bb9db6fc66983af37101bfb4559f5f8590ba3bf0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-24T21:04:47Z",
    "title_canon_sha256": "f03d8029c1dd63ee0dae57056b196b77cbc0c640a8101407faf220a5bee7f42c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4947",
    "kind": "arxiv",
    "version": 1
  }
}