Pith Number

pith:OFUOQSCO

pith:2016:OFUOQSCOAWLPINQTNZIB7PDMTQ

not attested not anchored not stored refs pending

The chemical compositions of solar twins in the open cluster M67

A. F. Marino, A. I. Karakas, D. Yong, F. Liu, I. Ramirez, J. Melendez, M. Asplund, M. Carlos

arxiv:1608.03788 v1 · 2016-08-12 · 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{OFUOQSCOAWLPINQTNZIB7PDMTQ}

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	2026-05-18T01:09:11.378936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7168e8484e0596f436136e501fbc6c9c3e47e7454d9ce081b5fa93c927a5d5f1

Aliases

arxiv: 1608.03788 · arxiv_version: 1608.03788v1 · doi: 10.48550/arxiv.1608.03788 · pith_short_12: OFUOQSCOAWLP · pith_short_16: OFUOQSCOAWLPINQT · pith_short_8: OFUOQSCO

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/OFUOQSCOAWLPINQTNZIB7PDMTQ \
  | 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: 7168e8484e0596f436136e501fbc6c9c3e47e7454d9ce081b5fa93c927a5d5f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0abd0eeb68624c888289844ca4364f2687f8f8b8abad833f0eb5502cdfa368a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-12T13:32:57Z",
    "title_canon_sha256": "583ab2eee379001931edc95e594e8d72caa9fed8c19acaccc93d672c2506fc3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03788",
    "kind": "arxiv",
    "version": 1
  }
}