Pith Number

pith:IPHLR753

pith:2011:IPHLR753TMEKS62YMOTSTKES44

not attested not anchored not stored refs pending

Discovery of the longest-period rapidly oscillating Ap star HD177765

D. Alentiev, M. Cunha, O. Kochukhov, T. Ryabchikova, V. Tsymbal, W. Weiss

arxiv:1112.4473 v1 · 2011-12-19 · 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{IPHLR753TMEKS62YMOTSTKES44}

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	2026-05-18T01:59:05.327971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43ceb8ffbb9b08a97b5863a729a892e70e7ee26610f69afdc09b35b5a039554e

Aliases

arxiv: 1112.4473 · arxiv_version: 1112.4473v1 · doi: 10.48550/arxiv.1112.4473 · pith_short_12: IPHLR753TMEK · pith_short_16: IPHLR753TMEKS62Y · pith_short_8: IPHLR753

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/IPHLR753TMEKS62YMOTSTKES44 \
  | 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: 43ceb8ffbb9b08a97b5863a729a892e70e7ee26610f69afdc09b35b5a039554e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7fa047b6bc6dac44ec5ced6df0a95f3a87b27b96a4865a89e75b01910bc2eb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-19T21:00:00Z",
    "title_canon_sha256": "d8a8a6d8f5dcc2a70921e1c2e93e98717b2f02018a47e173d834098513b3f0c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4473",
    "kind": "arxiv",
    "version": 1
  }
}