Pith Number

pith:U4FP7SBB

pith:2012:U4FP7SBBPQL5FKX5UKCYDXOHIM

not attested not anchored not stored refs pending

An HST search for planets in the lower Main Sequence of the globular cluster NGC 6397

F. De Marchi, G. Piotto, L. R. Bedin, R. M. Rich, V. Nascimbeni

arxiv:1202.5112 v2 · 2012-02-23 · astro-ph.EP · 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{U4FP7SBBPQL5FKX5UKCYDXOHIM}

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	2026-05-18T01:58:20.480145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a70affc8217c17d2aafda28581ddc7430043996bd0a23d981a18bdac184694d5

Aliases

arxiv: 1202.5112 · arxiv_version: 1202.5112v2 · doi: 10.48550/arxiv.1202.5112 · pith_short_12: U4FP7SBBPQL5 · pith_short_16: U4FP7SBBPQL5FKX5 · pith_short_8: U4FP7SBB

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/U4FP7SBBPQL5FKX5UKCYDXOHIM \
  | 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: a70affc8217c17d2aafda28581ddc7430043996bd0a23d981a18bdac184694d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62469dad0d9e0ef33d934003f27c0c012f0567df94c7eec868f7909b3a1c7396",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-02-23T08:36:59Z",
    "title_canon_sha256": "73497f3c152eb050ec0a25497da488fb22ffd482cfaf1b6764b195fef4c37509"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5112",
    "kind": "arxiv",
    "version": 2
  }
}