Pith Number

pith:VN4VEEFE

pith:2017:VN4VEEFER53343POEFSJCYSBTY

not attested not anchored not stored refs pending

Ionizing spectra of stars that lose their envelope through interaction with a binary companion: role of metallicity

J. H. Groh, S. E. de Mink, Y. Gotberg

arxiv:1701.07439 v2 · 2017-01-25 · 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{VN4VEEFER53343POEFSJCYSBTY}

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	2026-05-18T00:29:31.091507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab795210a48f77be6dee21649162419e06c8dce87dbf79d310b0cd2ad8243132

Aliases

arxiv: 1701.07439 · arxiv_version: 1701.07439v2 · doi: 10.48550/arxiv.1701.07439 · pith_short_12: VN4VEEFER533 · pith_short_16: VN4VEEFER53343PO · pith_short_8: VN4VEEFE

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/VN4VEEFER53343POEFSJCYSBTY \
  | 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: ab795210a48f77be6dee21649162419e06c8dce87dbf79d310b0cd2ad8243132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3d2dd2227d9b61ac65842ad1e56f3573e5bb36a610a38355ab47779a0c7843f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-25T19:00:03Z",
    "title_canon_sha256": "a7a53c8c27746ab04f7af761870e7b764cef675f81365e12f0610eb5f8fd9261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07439",
    "kind": "arxiv",
    "version": 2
  }
}