Pith Number

pith:JQQ73MV2

pith:2025:JQQ73MV22DDIW4W6PGSSOSRVLL

not attested not anchored not stored refs pending

Silicate mineralogy and bulk composition of exoplanetary material in polluted white dwarfs

Amy Bonsor, Andrew Buchan, Benjamin Richards, Ben Zuckerman, Carl Melis, \'Erika Le Bourdais, Kate Y. L. Su, Laura K. Rogers, Marc Brouwers, Markus Kissler-Patig, Nicholas P. Ballering, Patrick Dufour, Siyi Xu

arxiv:2507.16777 v1 · 2025-07-22 · astro-ph.EP · 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{JQQ73MV22DDIW4W6PGSSOSRVLL}

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	2026-07-05T11:41:30.956126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c21fdb2bad0c68b72de79a5274a355af97f0d7796a1058eae375b5fb33152bb

Aliases

arxiv: 2507.16777 · arxiv_version: 2507.16777v1 · doi: 10.48550/arxiv.2507.16777 · pith_short_12: JQQ73MV22DDI · pith_short_16: JQQ73MV22DDIW4W6 · pith_short_8: JQQ73MV2

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/JQQ73MV22DDIW4W6PGSSOSRVLL \
  | 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: 4c21fdb2bad0c68b72de79a5274a355af97f0d7796a1058eae375b5fb33152bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dce2fa8cd90e512cdff7600afe413baf118c805a52e4e0e4954a729c60df7ac",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-22T17:23:36Z",
    "title_canon_sha256": "ddccbd878a21579f5050876124133a51874548f29c7e3182509b8c8f60e0e7b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16777",
    "kind": "arxiv",
    "version": 1
  }
}