Pith Number

pith:4OIIOTXC

pith:2012:4OIIOTXCM4EJV3RDMPDLUQLCJE

not attested not anchored not stored refs pending

HST/STIS spectroscopy of the magnetic Of?p star HD 108: the low state at ultraviolet wavelengths

A. Herrero, A. W. Fullerton, D. J. Hillier, G. A. Wade, I. D. Howarth, J. -C. Bouret, N. R. Walborn, W. L. F. Marcolino, Y. Naze

arxiv:1202.6041 v1 · 2012-02-27 · 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{4OIIOTXCM4EJV3RDMPDLUQLCJE}

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	2026-07-05T01:57:43.602330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e390874ee267089aee2363c6ba4162492e910b65f0c8710878b70dc492484784

Aliases

arxiv: 1202.6041 · arxiv_version: 1202.6041v1 · doi: 10.48550/arxiv.1202.6041 · pith_short_12: 4OIIOTXCM4EJ · pith_short_16: 4OIIOTXCM4EJV3RD · pith_short_8: 4OIIOTXC

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/4OIIOTXCM4EJV3RDMPDLUQLCJE \
  | 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: e390874ee267089aee2363c6ba4162492e910b65f0c8710878b70dc492484784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fb9ec06df967a8671b71443f2f167b25306eccda3bc18d4ef919b4d15b9a9ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-27T19:57:55Z",
    "title_canon_sha256": "5faf40433da3e1c8efa754b73efad08ba376b19986290f26ffeaf0bf0ca25829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6041",
    "kind": "arxiv",
    "version": 1
  }
}