Pith Number

pith:XEB27ZY5

pith:1999:XEB27ZY5VT3QQTLGKEXKETDZG6

not attested not anchored not stored refs pending

Chemical yields from low- and intermediate-mass stars

Paola Marigo

arxiv:astro-ph/9912341 v1 · 1999-12-16 · 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{XEB27ZY5VT3QQTLGKEXKETDZG6}

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	2026-05-18T01:21:49.740544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b903afe71dacf7084d66512ea24c793788142241f68cc3691cf05928351ef193

Aliases

arxiv: astro-ph/9912341 · arxiv_version: astro-ph/9912341v1 · doi: 10.48550/arxiv.astro-ph/9912341 · pith_short_12: XEB27ZY5VT3Q · pith_short_16: XEB27ZY5VT3QQTLG · pith_short_8: XEB27ZY5

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/XEB27ZY5VT3QQTLGKEXKETDZG6 \
  | 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: b903afe71dacf7084d66512ea24c793788142241f68cc3691cf05928351ef193

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4b4edb8f0f423db2b3680c175a2595bb48dba88f88ca51fba8335ddd9bb3804",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-16T09:16:05Z",
    "title_canon_sha256": "5ecf2fffcc7005a986e97e01a885f9da7909d6b0995d3cb12a3822278b3478d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912341",
    "kind": "arxiv",
    "version": 1
  }
}