Pith Number

pith:5IGKV7NR

pith:2011:5IGKV7NRCBEG2HQMPLRIX3L7WC

not attested not anchored not stored refs pending

Magnetic activity and accretion on FU Tau A: Clues from variability

Aleks Scholz (DIAS), Beate Stelzer (Palermo), Calar Alto), David Barrado (INTA-CSIC, Grainne Costigan (DIAS), Hristo Stoev (INTA-CSIC), Jochen Eisl\"offel (Tautenburg), Jorge Lillo-Box, Pablo Riviere-Marichalar

arxiv:1109.3474 v2 · 2011-09-15 · astro-ph.SR

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

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	2026-05-18T02:00:32.172898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea0caafdb110486d1e0c7ae28bed7fb0a891258dc93c2591e398f90f4e8f556a

Aliases

arxiv: 1109.3474 · arxiv_version: 1109.3474v2 · doi: 10.48550/arxiv.1109.3474 · pith_short_12: 5IGKV7NRCBEG · pith_short_16: 5IGKV7NRCBEG2HQM · pith_short_8: 5IGKV7NR

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/5IGKV7NRCBEG2HQMPLRIX3L7WC \
  | 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: ea0caafdb110486d1e0c7ae28bed7fb0a891258dc93c2591e398f90f4e8f556a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5de88b852bedfe91f79dfde446f5f376e7fccd402cda8c33d9be8840a9bc870c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-15T20:11:07Z",
    "title_canon_sha256": "c7d74757505195371610495a1cc6c9481d59732903e39e7a61f1c6a9fe1b9d0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3474",
    "kind": "arxiv",
    "version": 2
  }
}