Pith Number

pith:TIRR3FUH

pith:2021:TIRR3FUHXERPWYEUXYPVLA6BCW

not attested not anchored not stored refs pending

Confirmation of xi^1 CMa's ultra-slow rotation: magnetic polarity reversal and a dramatic change in magnetospheric UV emission lines

A.W. Fullerton, C. Erba, G.A. Wade, H.F. Henrichs, M.E. Shultz, O. Kochukhov, T. Rivinius, V. Petit

arxiv:2105.08192 v1 · 2021-05-17 · 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{TIRR3FUHXERPWYEUXYPVLA6BCW}

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	2026-07-05T02:57:21.322470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a231d9687b922fb6094be1f5583c11581a2f10851008aa5c9136b1a5f283147

Aliases

arxiv: 2105.08192 · arxiv_version: 2105.08192v1 · doi: 10.48550/arxiv.2105.08192 · pith_short_12: TIRR3FUHXERP · pith_short_16: TIRR3FUHXERPWYEU · pith_short_8: TIRR3FUH

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/TIRR3FUHXERPWYEUXYPVLA6BCW \
  | 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: 9a231d9687b922fb6094be1f5583c11581a2f10851008aa5c9136b1a5f283147

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f442575b16b8b98a5e049990f9bc6b5caa8629e5c93d605909def3284e2cbee3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-05-17T23:12:04Z",
    "title_canon_sha256": "63d35d9e88254f5d4b170c454cdd91623b4067c808818351218a9fa338f26c1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.08192",
    "kind": "arxiv",
    "version": 1
  }
}