Pith Number

pith:3SRQN5OK

pith:2021:3SRQN5OKJSXITJBIE6KF2CZ35J

not attested not anchored not stored refs pending

Discovery of Beryllium in White Dwarfs Polluted by Planetesimal Accretion

Alexandra E. Doyle, Alycia J. Weinberger, Beth Klein, B. Zuckerman, Carl Melis, Edward D. Young, P. Dufour, Simon Blouin

arxiv:2102.01834 v2 · 2021-02-03 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3SRQN5OKJSXITJBIE6KF2CZ35J}

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	2026-07-05T02:51:16.854094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dca306f5ca4cae89a42827945d0b3bea499e8a36fead348211dfe9c9cc72989a

Aliases

arxiv: 2102.01834 · arxiv_version: 2102.01834v2 · doi: 10.48550/arxiv.2102.01834 · pith_short_12: 3SRQN5OKJSXI · pith_short_16: 3SRQN5OKJSXITJBI · pith_short_8: 3SRQN5OK

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/3SRQN5OKJSXITJBIE6KF2CZ35J \
  | 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: dca306f5ca4cae89a42827945d0b3bea499e8a36fead348211dfe9c9cc72989a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af4c6ec59f77bedad573421ce0adc7af5115dc9c2d369e8c6f05356e66852245",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-02-03T01:53:30Z",
    "title_canon_sha256": "0bf6b816af7ac3b73dc7429c23a34f9079691d8627a574bcbda837a68d94b206"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01834",
    "kind": "arxiv",
    "version": 2
  }
}