Pith Number

pith:E3EAAVVJ

pith:2021:E3EAAVVJXNOTMTT24DNAXSOW7Z

not attested not anchored not stored refs pending

Solar oxygen abundance

Ahmad Nemer, Andrey K. Belyaev, Ansgar Reiners, Ekaterina Semenova, Jorrit Leenaarts, Lyudmila Mashonkina, Manuel Bautista, Maria Bergemann, Mats Carlsson, Monika Ellwarth, Richard Hoppe, Svetlana A. Yakovleva, Yaroslav V. Voronov

arxiv:2109.01143 v1 · 2021-09-02 · 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{E3EAAVVJXNOTMTT24DNAXSOW7Z}

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	2026-07-05T03:23:49.778810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26c80056a9bb5d364e7ae0da0bc9d6fe5b4a0fab5f2e2e81fbaff4a3d7e78b8c

Aliases

arxiv: 2109.01143 · arxiv_version: 2109.01143v1 · doi: 10.48550/arxiv.2109.01143 · pith_short_12: E3EAAVVJXNOT · pith_short_16: E3EAAVVJXNOTMTT2 · pith_short_8: E3EAAVVJ

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/E3EAAVVJXNOTMTT24DNAXSOW7Z \
  | 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: 26c80056a9bb5d364e7ae0da0bc9d6fe5b4a0fab5f2e2e81fbaff4a3d7e78b8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f76c11bfff3e6e46ac7210869b53910ed7c8f2480baa9a71899f8022b74f35ef",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-09-02T18:00:00Z",
    "title_canon_sha256": "2364dfb0b5c5299ca33790217a7f513236eebea9c4172434f9205141973bd639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01143",
    "kind": "arxiv",
    "version": 1
  }
}