Pith Number

pith:APK3HAMG

pith:2011:APK3HAMGQAM7MMMFBGFTCYYQLS

not attested not anchored not stored refs pending

VLBA SiO maser observations of the OH/IR star OH 44.8-2.3: magnetic field and morphology

A. J. Kemball, H. J. van Langevelde, N. Amiri, W. H. T. Vlemmings

arxiv:1110.4071 v1 · 2011-10-18 · 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{APK3HAMGQAM7MMMFBGFTCYYQLS}

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	2026-05-18T02:00:09.082240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03d5b381868019f63185098b3163105cab87a3ce57ddf26398a101a4db03eaca

Aliases

arxiv: 1110.4071 · arxiv_version: 1110.4071v1 · doi: 10.48550/arxiv.1110.4071 · pith_short_12: APK3HAMGQAM7 · pith_short_16: APK3HAMGQAM7MMMF · pith_short_8: APK3HAMG

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/APK3HAMGQAM7MMMFBGFTCYYQLS \
  | 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: 03d5b381868019f63185098b3163105cab87a3ce57ddf26398a101a4db03eaca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "748ea5921ee533e29d083daf266a7e677e94db427d1ca6d69b4ab875734ca900",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-18T17:53:18Z",
    "title_canon_sha256": "057e6e875867462fb23782091ed3b5d8909ca8cbb30f6e1e01610590bb15d1b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4071",
    "kind": "arxiv",
    "version": 1
  }
}