Pith Number

pith:EIO46XEM

pith:2010:EIO46XEM5MV5NUPXLXIFK6IAKA

not attested not anchored not stored refs pending

Spectral variability of the peculiar A-type supergiant 3Pup

Anatoly Miroshnichenko, Eugenij Chentsov, Valentina Klochkova

arxiv:1005.3098 v1 · 2010-05-18 · 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{EIO46XEM5MV5NUPXLXIFK6IAKA}

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	2026-05-18T02:23:56.647740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

221dcf5c8ceb2bd6d1f75dd0557900500615502f0962627928b1fd652c673e75

Aliases

arxiv: 1005.3098 · arxiv_version: 1005.3098v1 · doi: 10.48550/arxiv.1005.3098 · pith_short_12: EIO46XEM5MV5 · pith_short_16: EIO46XEM5MV5NUPX · pith_short_8: EIO46XEM

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/EIO46XEM5MV5NUPXLXIFK6IAKA \
  | 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: 221dcf5c8ceb2bd6d1f75dd0557900500615502f0962627928b1fd652c673e75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "840a2dfda3f585b9afd9570f04c54fd01537fd5b1febb5d8cf774e236aa90be7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-05-18T04:26:13Z",
    "title_canon_sha256": "796b7e630f0d93719c6bbfe10cd84452d6ebe0bc36b098816fa235038d3d0939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3098",
    "kind": "arxiv",
    "version": 1
  }
}