Pith Number

pith:C43HZZKG

pith:2017:C43HZZKGX4KGS3BLGJXGVZ3Q3W

not attested not anchored not stored refs pending

Observing the products of stellar evolution in the old open cluster M67 with APOGEE

Anna Pasquali, Clio Bertelli Motta, Eva K. Grebel, Maurizio Salaris

arxiv:1701.00979 v1 · 2017-01-04 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C43HZZKGX4KGS3BLGJXGVZ3Q3W}

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	2026-05-18T00:53:21.761722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17367ce546bf14696c2b326e6ae770dda108feaa0097c95111994543fd2ef12c

Aliases

arxiv: 1701.00979 · arxiv_version: 1701.00979v1 · doi: 10.48550/arxiv.1701.00979 · pith_short_12: C43HZZKGX4KG · pith_short_16: C43HZZKGX4KGS3BL · pith_short_8: C43HZZKG

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/C43HZZKGX4KGS3BLGJXGVZ3Q3W \
  | 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: 17367ce546bf14696c2b326e6ae770dda108feaa0097c95111994543fd2ef12c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33e20e8d36bbc5f89de4a49fc59d49cf3bf3a55599eeaba7e893c7d80896cf9f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-04T12:12:36Z",
    "title_canon_sha256": "32da0380947bb6644cdf015a5094ec49919cc77e192371a34174af9a1a19ff1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00979",
    "kind": "arxiv",
    "version": 1
  }
}