Pith Number

pith:XYYOPWZV

pith:2011:XYYOPWZVJLYJMW5QFBWE6ALCTY

not attested not anchored not stored refs pending

Spatially extended emission around the Cepheid RS Puppis in near-infrared hydrogen lines. Adaptive optics imaging with VLT/NACO

Alexandre Gallenne (LESIA), Antoine M\'erand (ESO-Chile), Julien H. V. Girard (ESO-Chile), Pierre Kervella (LESIA)

arxiv:1101.0746 v1 · 2011-01-04 · 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{XYYOPWZVJLYJMW5QFBWE6ALCTY}

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	2026-05-18T02:04:13.392395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be30e7db354af0965bb0286c4f01629e026903ce8868786e4818eb393b49faca

Aliases

arxiv: 1101.0746 · arxiv_version: 1101.0746v1 · doi: 10.48550/arxiv.1101.0746 · pith_short_12: XYYOPWZVJLYJ · pith_short_16: XYYOPWZVJLYJMW5Q · pith_short_8: XYYOPWZV

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/XYYOPWZVJLYJMW5QFBWE6ALCTY \
  | 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: be30e7db354af0965bb0286c4f01629e026903ce8868786e4818eb393b49faca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e67358bdb59222e70fe4ca6885391f93aadd923b01e76c6e0f031475695d46b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-04T15:48:56Z",
    "title_canon_sha256": "9e1ccd7522040c1caa645952f41a337e0c81fbd445b10c0a6087cddd38b35642"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0746",
    "kind": "arxiv",
    "version": 1
  }
}