Pith Number

pith:7XGXQ26L

pith:2012:7XGXQ26LJVBIW7OQF2M75YK3EH

not attested not anchored not stored refs pending

Photometric Observations of the Young Cluster Variable GM Cephei

S. C.-L. Hu, the Young Exoplanet Transit Initiative Collaboration, W. P. Chen

arxiv:1202.5084 v1 · 2012-02-23 · 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{7XGXQ26LJVBIW7OQF2M75YK3EH}

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	2026-05-18T04:01:39.007828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdcd786bcb4d428b7dd02e99fee15b21c68f7d03c8341858e4992b9c2342c365

Aliases

arxiv: 1202.5084 · arxiv_version: 1202.5084v1 · doi: 10.48550/arxiv.1202.5084 · pith_short_12: 7XGXQ26LJVBI · pith_short_16: 7XGXQ26LJVBIW7OQ · pith_short_8: 7XGXQ26L

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/7XGXQ26LJVBIW7OQF2M75YK3EH \
  | 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: fdcd786bcb4d428b7dd02e99fee15b21c68f7d03c8341858e4992b9c2342c365

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd6f4fbdf7a780b7771a68c50c4e5bdfc755e98b6fa3823bc59bc37dcec86d89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-23T03:50:35Z",
    "title_canon_sha256": "cc7df2dc99e0e5e0f36b834a5bbbc6e3076771817867e366fd8a1188ee9597f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5084",
    "kind": "arxiv",
    "version": 1
  }
}