Pith Number

pith:R4255ONB

pith:2010:R4255ONB2LVXYDEJNETR6JVLXD

not attested not anchored not stored refs pending

An extremely peculiar hot subdwarf with a ten-thousand-fold excess of zirconium, yttrium, and strontium

A. Hibbert, C.S. Jeffery, Naslim N., N.T. Behara

arxiv:1010.5146 v1 · 2010-10-25 · 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{R4255ONB2LVXYDEJNETR6JVLXD}

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	2026-05-18T02:04:58.841457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f35deb9a1d2eb7c0c8969271f26abb8e2162f9652eb53ceb2b68ba06ef3b9b4

Aliases

arxiv: 1010.5146 · arxiv_version: 1010.5146v1 · doi: 10.48550/arxiv.1010.5146 · pith_short_12: R4255ONB2LVX · pith_short_16: R4255ONB2LVXYDEJ · pith_short_8: R4255ONB

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/R4255ONB2LVXYDEJNETR6JVLXD \
  | 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: 8f35deb9a1d2eb7c0c8969271f26abb8e2162f9652eb53ceb2b68ba06ef3b9b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60e5e69c4bc05fff7f3ae4aafb7fc0dc246b03136c0b3a5c47a194fd9c44473c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-25T14:35:15Z",
    "title_canon_sha256": "284debc6a5c2d8b2fcb9b90a9b66f7aadefeb8b8a7f6bc115a6d48345be8a8a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5146",
    "kind": "arxiv",
    "version": 1
  }
}