Pith Number

pith:5NYY7IRB

pith:2020:5NYY7IRBDNTN2AUPNZRXW5IRWB

not attested not anchored not stored refs pending

Li abundances for solar twins in the open cluster M67

Jorge Melendez, Jose-Dias do Nascimento Jr., Marilia Carlos, Matthieu Castro

arxiv:2001.01850 v1 · 2020-01-07 · 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{5NYY7IRBDNTN2AUPNZRXW5IRWB}

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	2026-07-05T00:30:41.644086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb718fa2211b66dd028f6e637b7511b066322994908756b2dc62ffac6a5f8f7c

Aliases

arxiv: 2001.01850 · arxiv_version: 2001.01850v1 · doi: 10.48550/arxiv.2001.01850 · pith_short_12: 5NYY7IRBDNTN · pith_short_16: 5NYY7IRBDNTN2AUP · pith_short_8: 5NYY7IRB

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/5NYY7IRBDNTN2AUPNZRXW5IRWB \
  | 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: eb718fa2211b66dd028f6e637b7511b066322994908756b2dc62ffac6a5f8f7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97b3b3c1caf173df6c89662f2959fa5d7f795c48c99b91b8dafe2a01cbf76428",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-01-07T02:04:32Z",
    "title_canon_sha256": "f546950ca6de4d2a8b195e1e5ed28b78d8bf0d98ebba2de01fb5e6f0eb1806f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.01850",
    "kind": "arxiv",
    "version": 1
  }
}