Pith Number

pith:PEYR42X7

pith:2009:PEYR42X7ZNDPP6YPJEBGIMV36N

not attested not anchored not stored refs pending

Correlation between technetium and lithium in a sample of oxygen-rich AGB variables

Austria), Belgium), K. U. Leuven, Stefan Uttenthaler (Instituut voor Sterrenkunde, Thomas Lebzelter (Department of Astronomy, University of Vienna

arxiv:0911.3507 v1 · 2009-11-18 · 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{PEYR42X7ZNDPP6YPJEBGIMV36N}

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	2026-05-18T02:10:46.458563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79311e6affcb46f7fb0f49026432bbf34d588c99fa407e9221d982aaf96c48ba

Aliases

arxiv: 0911.3507 · arxiv_version: 0911.3507v1 · doi: 10.48550/arxiv.0911.3507 · pith_short_12: PEYR42X7ZNDP · pith_short_16: PEYR42X7ZNDPP6YP · pith_short_8: PEYR42X7

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/PEYR42X7ZNDPP6YPJEBGIMV36N \
  | 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: 79311e6affcb46f7fb0f49026432bbf34d588c99fa407e9221d982aaf96c48ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8362f6c4da58b6dd96d1221b8ef721caa725cfe64a51ec416f3d92076f1c8a90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-18T11:06:26Z",
    "title_canon_sha256": "df2ef47780dff3eaa05c67161cde703946c3ce8ea2b3b8a977f04a21273cbd6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3507",
    "kind": "arxiv",
    "version": 1
  }
}