Pith Number

pith:AKLOPKLX

pith:2018:AKLOPKLXDDFBBBWTZJORJLN63B

not attested not anchored not stored refs pending

On the Spectral Evolution of Helium-Atmosphere White Dwarfs Showing Traces of Hydrogen

Benoit Rolland, Gilles Fontaine, Pierre Bergeron

arxiv:1803.05965 v1 · 2018-03-15 · 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{AKLOPKLXDDFBBBWTZJORJLN63B}

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	2026-05-18T00:17:04.017783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0296e7a97718ca1086d3ca5d14adbed84b12990d73238f30d8dca22ff582d8c2

Aliases

arxiv: 1803.05965 · arxiv_version: 1803.05965v1 · doi: 10.48550/arxiv.1803.05965 · pith_short_12: AKLOPKLXDDFB · pith_short_16: AKLOPKLXDDFBBBWT · pith_short_8: AKLOPKLX

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/AKLOPKLXDDFBBBWTZJORJLN63B \
  | 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: 0296e7a97718ca1086d3ca5d14adbed84b12990d73238f30d8dca22ff582d8c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7910c55d71872ad480f79354cc93c2b4e4700fac5b40dc78b4becaf80926c417",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-15T19:30:14Z",
    "title_canon_sha256": "63983f2a1d968b50bed8002d80ea4d5b65b22a42b5cea43ff456a3ad90340160"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05965",
    "kind": "arxiv",
    "version": 1
  }
}