Pith Number

pith:GS6M2O2P

pith:2013:GS6M2O2PWQ6SP2ELBPMAZDXSLF

not attested not anchored not stored refs pending

A magnetic cycle of tau Bootis? The coronal and chromospheric view

H.M. Guenther, J.H.M.M. Schmitt, K. Poppenhaeger

arxiv:1303.0311 v1 · 2013-03-01 · 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{GS6M2O2PWQ6SP2ELBPMAZDXSLF}

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	2026-05-18T03:31:56.501326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34bccd3b4fb43d27e88b0bd80c8ef2596ba07d28dc66dbeb7683ba38df553a1a

Aliases

arxiv: 1303.0311 · arxiv_version: 1303.0311v1 · doi: 10.48550/arxiv.1303.0311 · pith_short_12: GS6M2O2PWQ6S · pith_short_16: GS6M2O2PWQ6SP2EL · pith_short_8: GS6M2O2P

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/GS6M2O2PWQ6SP2ELBPMAZDXSLF \
  | 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: 34bccd3b4fb43d27e88b0bd80c8ef2596ba07d28dc66dbeb7683ba38df553a1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de3ef1de7e04996b3408889c6ff2115c43ea84847d115ce6357ab53f17281987",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-01T21:53:39Z",
    "title_canon_sha256": "f07add7f868671fc5829fa2663684900f906911533dadfbe4fa8c4341e6b427a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0311",
    "kind": "arxiv",
    "version": 1
  }
}