Pith Number

pith:KX4EZJ2H

pith:2013:KX4EZJ2HIFIOX3ZHTS75DW45TH

not attested not anchored not stored refs pending

Observational Asteroseismology of Hot Subdwarf Stars with the Mont4K/Kuiper Combination at the Steward Observatory Mount Bigelow Station

E.M. Green, G. Fontaine, M. Latour, P. Brassard, S. Charpinet, several undergraduate students at University of Arizona, S.K. Randall, V. Van Grootel

arxiv:1307.3502 v1 · 2013-07-12 · 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{KX4EZJ2HIFIOX3ZHTS75DW45TH}

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	2026-05-18T03:18:39.003026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55f84ca7474150ebef279cbfd1db9d99d07968e486b65eb9cfda162b1b59a0d7

Aliases

arxiv: 1307.3502 · arxiv_version: 1307.3502v1 · doi: 10.48550/arxiv.1307.3502 · pith_short_12: KX4EZJ2HIFIO · pith_short_16: KX4EZJ2HIFIOX3ZH · pith_short_8: KX4EZJ2H

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/KX4EZJ2HIFIOX3ZHTS75DW45TH \
  | 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: 55f84ca7474150ebef279cbfd1db9d99d07968e486b65eb9cfda162b1b59a0d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "955b828a6db89dd7077a339b239b09dd10f9382a640123e032762024035f0939",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-12T16:09:05Z",
    "title_canon_sha256": "1a7617d51cefc3bdcbfdea95f4b0306368059e664b8604bd5b481a719423f76c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3502",
    "kind": "arxiv",
    "version": 1
  }
}