Pith Number

pith:4KZMI7HN

pith:2011:4KZMI7HNNDIBZDBFPV6EA2QIUZ

not attested not anchored not stored refs pending

Cepheids at high angular resolution: circumstellar envelope and pulsation

Alexandre Gallenne

arxiv:1112.5658 v1 · 2011-12-23 · astro-ph.SR · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KZMI7HNNDIBZDBFPV6EA2QIUZ}

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	2026-05-18T04:05:46.340144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2b2c47ced68d01c8c257d7c406a08a6659a22a40f100f989805a909172d57f3

Aliases

arxiv: 1112.5658 · arxiv_version: 1112.5658v1 · doi: 10.48550/arxiv.1112.5658 · pith_short_12: 4KZMI7HNNDIB · pith_short_16: 4KZMI7HNNDIBZDBF · pith_short_8: 4KZMI7HN

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/4KZMI7HNNDIBZDBFPV6EA2QIUZ \
  | 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: e2b2c47ced68d01c8c257d7c406a08a6659a22a40f100f989805a909172d57f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aa525d60c7ca9ac600a1a874bf0b2375bdc810d6a51941cee7defce4a80b39a",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-23T20:46:17Z",
    "title_canon_sha256": "5a0e6ecb2f2483aaab808be39d4616494460af244a703ff65d3180f2b5f287d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5658",
    "kind": "arxiv",
    "version": 1
  }
}