Pith Number

pith:SS2S3T4Q

pith:2011:SS2S3T4QRXPRTMUFYMJP7XNI6A

not attested not anchored not stored refs pending

X-ray activity and rotation of the young stars in IC 348

Frauke Alexander, Thomas Preibisch

arxiv:1112.4290 v2 · 2011-12-19 · 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{SS2S3T4QRXPRTMUFYMJP7XNI6A}

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	2026-05-18T01:59:05.763052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94b52dcf908ddf19b285c312ffdda8f01449310642475aff9f79d79e41645599

Aliases

arxiv: 1112.4290 · arxiv_version: 1112.4290v2 · doi: 10.48550/arxiv.1112.4290 · pith_short_12: SS2S3T4QRXPR · pith_short_16: SS2S3T4QRXPRTMUF · pith_short_8: SS2S3T4Q

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/SS2S3T4QRXPRTMUFYMJP7XNI6A \
  | 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: 94b52dcf908ddf19b285c312ffdda8f01449310642475aff9f79d79e41645599

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8d238288f96036a7dd5494d9da5bb0a6c176d3f9f234a12c74673e174c164b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-19T10:31:11Z",
    "title_canon_sha256": "46500708810ee1c0de35bf801a04a501bc57d45e94feb316702ee2f590dda347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4290",
    "kind": "arxiv",
    "version": 2
  }
}