Pith Number

pith:UWYY2TZG

pith:2005:UWYY2TZGP4LINNQ4XCC5VSI2S4

not attested not anchored not stored refs pending

The formation and evolution of hydrogen-deficient post-AGB white dwarfs: the emerging chemical profile and the expectations for the PG1159-DB-DQ evolutionary connection

A. H. Corsico, A. M. Serenelli, C. G. Scoccola, E. Garcia-Berro, J. A. Panei, L. G. Althaus

arxiv:astro-ph/0502005 v1 · 2005-01-31 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWYY2TZGP4LINNQ4XCC5VSI2S4}

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	2026-07-04T16:50:44.564993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b18d4f267f1686b61cb885dac91a972f86fd8a257eda350fe44a8ffa4d8ca5

Aliases

arxiv: astro-ph/0502005 · arxiv_version: astro-ph/0502005v1 · doi: 10.48550/arxiv.astro-ph/0502005 · pith_short_12: UWYY2TZGP4LI · pith_short_16: UWYY2TZGP4LINNQ4 · pith_short_8: UWYY2TZG

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/UWYY2TZGP4LINNQ4XCC5VSI2S4 \
  | 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: a5b18d4f267f1686b61cb885dac91a972f86fd8a257eda350fe44a8ffa4d8ca5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42e3722108a49135477c1e8f18a7e33a7d6589bbf4d15642bb6d0b05b44523d6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-31T22:30:57Z",
    "title_canon_sha256": "d39a7a0b33b7f6be6f639756b26090258205d0269759215731f52968cbb313a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502005",
    "kind": "arxiv",
    "version": 1
  }
}