Pith Number

pith:2GFEAQ36

pith:2019:2GFEAQ36MIYZIPH7UTJYZS2MLR

not attested not anchored not stored refs pending

Review of Zeeman Effect Observations of Regions of Star Formation

Athol J. Kemball, Richard M. Crutcher

arxiv:1911.06210 v1 · 2019-11-14 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GFEAQ36MIYZIPH7UTJYZS2MLR}

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	2026-07-05T00:19:16.153870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d18a40437e6231943cffa4d38ccb4c5c57658904fd15f1cad9a815aa79f488d7

Aliases

arxiv: 1911.06210 · arxiv_version: 1911.06210v1 · doi: 10.48550/arxiv.1911.06210 · pith_short_12: 2GFEAQ36MIYZ · pith_short_16: 2GFEAQ36MIYZIPH7 · pith_short_8: 2GFEAQ36

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/2GFEAQ36MIYZIPH7UTJYZS2MLR \
  | 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: d18a40437e6231943cffa4d38ccb4c5c57658904fd15f1cad9a815aa79f488d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efbcb9fba4e60012ab60cf7e54c885c4e4f8382fb54b14e5f8d0cbd05eed5cb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-11-14T16:06:43Z",
    "title_canon_sha256": "3c9a9ada6f6f2200bdf54b73c73a6ae6d3ab8f485e9690fa3e5a32500a58d503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.06210",
    "kind": "arxiv",
    "version": 1
  }
}