Pith Number

pith:7CDXXYQA

pith:2021:7CDXXYQAGTESQEZPQB7E4OILKI

not attested not anchored not stored refs pending

Horizontal spreading of planetary debris accreted by white dwarfs

Bernd Freytag, Boris T. G\"ansicke, Detlev Koester, Dimitri Veras, Elena Cukanovaite, Evan B. Bauer, Hans-G\"unter Ludwig, Jay Farihi, Odette Toloza, Pier-Emmanuel Tremblay, Tim Cunningham

arxiv:2102.09564 v1 · 2021-02-18 · 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{7CDXXYQAGTESQEZPQB7E4OILKI}

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.

Cited by

1 paper in Pith

White dwarfs within 13 pc: Insights from ultraviolet spectroscopy

Receipt and verification

First computed	2026-07-05T02:23:27.244631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8877be20034c928132f807e4e390b5227cb27fac723228875807e93f3dfddc7

Aliases

arxiv: 2102.09564 · arxiv_version: 2102.09564v1 · doi: 10.48550/arxiv.2102.09564 · pith_short_12: 7CDXXYQAGTES · pith_short_16: 7CDXXYQAGTESQEZP · pith_short_8: 7CDXXYQA

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/7CDXXYQAGTESQEZPQB7E4OILKI \
  | 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: f8877be20034c928132f807e4e390b5227cb27fac723228875807e93f3dfddc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae51e9687a49490b9a9bd879dffaf6c789cc30cd6c4be61de1f5c992033cd088",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-02-18T19:00:00Z",
    "title_canon_sha256": "a06c5dd97ce7515b6a3339f742bc3bf04f594513f98869568804b9e9a33416a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09564",
    "kind": "arxiv",
    "version": 1
  }
}