pith. sign in
Pith Number

pith:EZQSD4MY

pith:2011:EZQSD4MYWQSZGE77G4J4GHI2KR
not attested not anchored not stored refs pending

The Oxygen Abundance in the Solar Neighborhood

Gloria Delgado-Inglada, M\'onica Rodr\'iguez

arxiv:1105.0017 v1 · 2011-04-29 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EZQSD4MYWQSZGE77G4J4GHI2KR}

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 2026-05-18T02:02:10.839956Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

266121f198b4259313ff3713c31d1a545710a5257d57f123057d4e7c44096295

Aliases

arxiv: 1105.0017 · arxiv_version: 1105.0017v1 · doi: 10.48550/arxiv.1105.0017 · pith_short_12: EZQSD4MYWQSZ · pith_short_16: EZQSD4MYWQSZGE77 · pith_short_8: EZQSD4MY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EZQSD4MYWQSZGE77G4J4GHI2KR \
  | 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: 266121f198b4259313ff3713c31d1a545710a5257d57f123057d4e7c44096295
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b49880257f0b3cb7245dc386ecef8c3f7af938c953fe6b8294b4557ba8540257",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-04-29T20:22:03Z",
    "title_canon_sha256": "a7d3455aafab330fa58b9722e6ddf824dab1b3a7219c8410cc99e120f06a7694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0017",
    "kind": "arxiv",
    "version": 1
  }
}