Pith Number

pith:QL7ON3WC

pith:2010:QL7ON3WCH6LPFQKMUPGXPAOSIX

not attested not anchored not stored refs pending

On the absolute age of the Globular Cluster M92

A. Calamida, A. Di Cecco, A. R. Walker, A. Weiss, C. E. Corsi, F. Caputo, G. Bono, G. Iannicola, I. Ferraro, L. Pulone, M. Monelli, M. Nonino, M. Romaniello, P. B. Stetson, P. G. Prada Moroni, R. Becucci, R. Buonanno, S. Degl'Innocenti

arxiv:1006.5217 v1 · 2010-06-27 · 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{QL7ON3WCH6LPFQKMUPGXPAOSIX}

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	2026-05-18T02:06:35.123257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82fee6eec23f96f2c14ca3cd7781d245d2f8815e707f7bfde9dcccec8d378a02

Aliases

arxiv: 1006.5217 · arxiv_version: 1006.5217v1 · doi: 10.48550/arxiv.1006.5217 · pith_short_12: QL7ON3WCH6LP · pith_short_16: QL7ON3WCH6LPFQKM · pith_short_8: QL7ON3WC

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/QL7ON3WCH6LPFQKMUPGXPAOSIX \
  | 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: 82fee6eec23f96f2c14ca3cd7781d245d2f8815e707f7bfde9dcccec8d378a02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3615ed52ae95b6ef9a755f3465aace80f8f86fe443bffe9c6fa27cd5bf903d2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-27T14:46:15Z",
    "title_canon_sha256": "00e275b100325a16d8a0c422e435e86b93d872d3d955da76d6cd7c353d6c0bb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.5217",
    "kind": "arxiv",
    "version": 1
  }
}