Pith Number

pith:7K3YDRP2

pith:2010:7K3YDRP25O5LGBCVZFAMSZUUGR

not attested not anchored not stored refs pending

Flavours of variability: 29 RR Lyrae stars observed with Kepler

D. Koch, D.W. Kurtz, E. Guggenberger, G. Kopacki, H. Kjeldsen, J. Bregman, J. Christensen-Dalsgaard, J.E. Van Cleve, J.M. Benk\H{o}, J.M. Jenkins, J. Nemec, J. Nuspl, K. Kolenberg, M. Di~Criscienzo, M. Still, P. Moskalik, R. Smolec, R. Szab\'o, S. Bryson, W.J. Borucki, Z. Koll\'ath

arxiv:1007.3928 v1 · 2010-07-22 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7K3YDRP25O5LGBCVZFAMSZUUGR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:06:11.526163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fab781c5faebbab30455c940c96694346dc7a587e55d13f2d55417c94edd2238

Aliases

arxiv: 1007.3928 · arxiv_version: 1007.3928v1 · doi: 10.48550/arxiv.1007.3928 · pith_short_12: 7K3YDRP25O5L · pith_short_16: 7K3YDRP25O5LGBCV · pith_short_8: 7K3YDRP2

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/7K3YDRP25O5LGBCVZFAMSZUUGR \
  | 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: fab781c5faebbab30455c940c96694346dc7a587e55d13f2d55417c94edd2238

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4715d997d4ac97fd316b0e33cd3edfe579ba96fc22e6c87b14c66cce88e0e037",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-07-22T16:08:22Z",
    "title_canon_sha256": "fd79ab866cbbb185a49cdd6932f3227de7ad4a95401aa440c74337702f71a53c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3928",
    "kind": "arxiv",
    "version": 1
  }
}