Pith Number

pith:7ACXQUP6

pith:2017:7ACXQUP63FJGNMPY4M2D3RMNAA

not attested not anchored not stored refs pending

12C/13C isotopic ratios in red-giant stars of the open cluster NGC 6791

Carlos Allende Prieto, Corinne Charbonnel, D. A. Garc\'ia-Hern\'andez, J. G. Fern\'andez-Trincado, J\'ozsef Kov\'acs, Katia Cunha, L\'aszl\'o Szigeti, Marc Pinsonneault, Matthew Shetrone, Nad\`ege Lagarde, Sandro Villanova, Szabolcs M\'esz\'aros, Verne V. Smith

arxiv:1711.08183 v2 · 2017-11-22 · 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{7ACXQUP63FJGNMPY4M2D3RMNAA}

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	2026-05-18T00:26:23.743743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8057851fed95266b1f8e3343dc58d003102913b3c42d50af896e2c87d474c2a

Aliases

arxiv: 1711.08183 · arxiv_version: 1711.08183v2 · doi: 10.48550/arxiv.1711.08183 · pith_short_12: 7ACXQUP63FJG · pith_short_16: 7ACXQUP63FJGNMPY · pith_short_8: 7ACXQUP6

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/7ACXQUP63FJGNMPY4M2D3RMNAA \
  | 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: f8057851fed95266b1f8e3343dc58d003102913b3c42d50af896e2c87d474c2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b8cb443bafbc96b98ebb69e4384ea7a9bdec692443d8232b95eecc56bbbd351",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-11-22T09:12:51Z",
    "title_canon_sha256": "e84c215297851f04558732af1f890d5c2f59c253133ae72fb3486927afb52d20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08183",
    "kind": "arxiv",
    "version": 2
  }
}