Pith Number

pith:E4X7XC34

pith:2006:E4X7XC34I54ZDKDENHZEG2463C

not attested not anchored not stored refs pending

Post-AGB stars as testbeds of nucleosynthesis in AGB stars

G. Stasinska, M. Schmidt, N. Siodmiak, R. Szczerba

arxiv:astro-ph/0601504 v1 · 2006-01-23 · 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{E4X7XC34I54ZDKDENHZEG2463C}

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	2026-07-04T16:57:50.522975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

272ffb8b7c477991a86469f2436b9ed88abe61a93f61d1cdd82f235adac8996d

Aliases

arxiv: astro-ph/0601504 · arxiv_version: astro-ph/0601504v1 · doi: 10.48550/arxiv.astro-ph/0601504 · pith_short_12: E4X7XC34I54Z · pith_short_16: E4X7XC34I54ZDKDE · pith_short_8: E4X7XC34

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/E4X7XC34I54ZDKDENHZEG2463C \
  | 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: 272ffb8b7c477991a86469f2436b9ed88abe61a93f61d1cdd82f235adac8996d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80980db7f8aa4ab65883e4aef0094503e4a10ee45a9117f245f7c5a6bbf4ebd6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-23T12:40:49Z",
    "title_canon_sha256": "dc169c1af58d4ea18d94f0d46a8b997cff19cd7fd058483627ac1f54dd400df2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601504",
    "kind": "arxiv",
    "version": 1
  }
}