pith. sign in
Pith Number

pith:3OHDF7FQ

pith:2010:3OHDF7FQ2UB2UIYPVFW2YINUWD
not attested not anchored not stored refs pending

HD 207331 a new $\delta$ Scuti star in the Cygnus field: discovery and follow-up observations

C. Zurita, J.S. Silva, L. Fox-Machado, R. Michel, W.J. Schuster

arxiv:1005.4705 v3 · 2010-05-25 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3OHDF7FQ2UB2UIYPVFW2YINUWD}

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 2026-05-18T04:21:13.710995Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

db8e32fcb0d503aa230fa96dac21b4b0c685ce791d58ec0e53ef618612cb5c8a

Aliases

arxiv: 1005.4705 · arxiv_version: 1005.4705v3 · doi: 10.48550/arxiv.1005.4705 · pith_short_12: 3OHDF7FQ2UB2 · pith_short_16: 3OHDF7FQ2UB2UIYP · pith_short_8: 3OHDF7FQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3OHDF7FQ2UB2UIYPVFW2YINUWD \
  | 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: db8e32fcb0d503aa230fa96dac21b4b0c685ce791d58ec0e53ef618612cb5c8a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3ac9e0e1b2ad48743335dfc35eb07bcd1fefe25ac712c7c4a1120e752a11af5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-05-25T21:30:37Z",
    "title_canon_sha256": "33c79913fedda2449e28f17079093a71700b6aa38ca3ac13c3279210614bc590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4705",
    "kind": "arxiv",
    "version": 3
  }
}