Pith Number

pith:NBUNKFNI

pith:2019:NBUNKFNIKP233UBGWVWW5BHOW6

not attested not anchored not stored refs pending

The impact of stars stripped in binaries on the integrated spectra of stellar populations

C. Leitherer, C. Norman, J.H. Groh, S.E. de Mink, Y. G\"otberg

arxiv:1908.06102 v1 · 2019-08-16 · astro-ph.GA · astro-ph.HE · 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{NBUNKFNIKP233UBGWVWW5BHOW6}

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	2026-07-05T00:05:13.613144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6868d515a853f5bdd026b56d6e84eeb7a73684c0ae454396a087d2ac4383dd84

Aliases

arxiv: 1908.06102 · arxiv_version: 1908.06102v1 · doi: 10.48550/arxiv.1908.06102 · pith_short_12: NBUNKFNIKP23 · pith_short_16: NBUNKFNIKP233UBG · pith_short_8: NBUNKFNI

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/NBUNKFNIKP233UBGWVWW5BHOW6 \
  | 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: 6868d515a853f5bdd026b56d6e84eeb7a73684c0ae454396a087d2ac4383dd84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fae0868f7523c4496d0f8ad284cd2587f64e02d01b2347e4e29f1aa4eaafef68",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-16T18:00:02Z",
    "title_canon_sha256": "2e1fc4c1b1fd8d6d295a7e8d56ca6dc2d1551305cb2c6ef1334c4c3285ba96a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06102",
    "kind": "arxiv",
    "version": 1
  }
}