Pith Number

pith:4BDV6DYS

pith:2011:4BDV6DYSP2JKV52VKP6KN4HSFS

not attested not anchored not stored refs pending

MOST observations of the roAp stars HD 9289, HD 99563, and HD 134214

A.F.J. Moffat, D.B. Guenther, D. Huber, D. Sasselov, J.F. Rowe, J.M. Matthews, M. Fischer, M. Gruberbauer, R. Kuschnig, S.M. Rucinski, W.W. Weiss

arxiv:1104.2256 v1 · 2011-04-12 · 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{4BDV6DYSP2JKV52VKP6KN4HSFS}

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	2026-05-18T02:02:32.663009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0475f0f127e92aaf75553fca6f0f22cae2085f057e58c9a00b35ddc3f28b570

Aliases

arxiv: 1104.2256 · arxiv_version: 1104.2256v1 · doi: 10.48550/arxiv.1104.2256 · pith_short_12: 4BDV6DYSP2JK · pith_short_16: 4BDV6DYSP2JKV52V · pith_short_8: 4BDV6DYS

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/4BDV6DYSP2JKV52VKP6KN4HSFS \
  | 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: e0475f0f127e92aaf75553fca6f0f22cae2085f057e58c9a00b35ddc3f28b570

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db3f4d6c753216dc42193efb7bf3d9b6259ca93574ffee3e5d438c125b8dd52c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-12T16:11:23Z",
    "title_canon_sha256": "47871194e699155ebe45117bc0954a4a24871a06d43449c821a9b7bc71229958"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2256",
    "kind": "arxiv",
    "version": 1
  }
}