pith. sign in
Pith Number

pith:YUUSUM4J

pith:2008:YUUSUM4JST6TYD4JWWDB3VMFQA
not attested not anchored not stored refs pending

Variation of fluxes of RR Tel emission lines measured in 2000 with respect to 1996

D. Kotnik-Karuza, K. Exter, M. Friedjung

arxiv:0811.4557 v1 · 2008-11-27 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YUUSUM4JST6TYD4JWWDB3VMFQA}

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 2026-05-18T02:15:12.824253Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c5292a338994fd3c0f89b5861dd585802e5d4ca6eaeecf8b193b64d34f497bf1

Aliases

arxiv: 0811.4557 · arxiv_version: 0811.4557v1 · doi: 10.48550/arxiv.0811.4557 · pith_short_12: YUUSUM4JST6T · pith_short_16: YUUSUM4JST6TYD4J · pith_short_8: YUUSUM4J
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YUUSUM4JST6TYD4JWWDB3VMFQA \
  | 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: c5292a338994fd3c0f89b5861dd585802e5d4ca6eaeecf8b193b64d34f497bf1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "048e5642b89fb23db4d65abcdb9a77b29e9f9f9d9113c9d50084388e47872ac2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-27T14:44:26Z",
    "title_canon_sha256": "0e926a1c6b8de421d33968eeb1a7ef39d947d92eefd625f5dbfda3c33f1a0ab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.4557",
    "kind": "arxiv",
    "version": 1
  }
}