Pith Number

pith:P3WXE5QA

pith:2011:P3WXE5QAWSEYHIQTAMCLX4KKAX

not attested not anchored not stored refs pending

Contemporaneous XMM-Newton investigation of a giant X-ray flare and quiescent state from a cool M-class dwarf in the local cavity

Anjali Gupta, Benjamin Williams, Massimiliano Galeazzi

arxiv:1102.3696 v1 · 2011-02-17 · 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	2026-05-18T02:03:09.673797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eed727600b48983a2130304bbf14a05e458016f1d6eeb7ed059ffa4ebef0753

Aliases

arxiv: 1102.3696 · arxiv_version: 1102.3696v1 · doi: 10.48550/arxiv.1102.3696 · pith_short_12: P3WXE5QAWSEY · pith_short_16: P3WXE5QAWSEYHIQT · pith_short_8: P3WXE5QA

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/P3WXE5QAWSEYHIQTAMCLX4KKAX \
  | 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: 7eed727600b48983a2130304bbf14a05e458016f1d6eeb7ed059ffa4ebef0753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "072a86b72f365681091890f259955cf930ef6f638eb0788f61c47832491c1f10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-17T21:01:22Z",
    "title_canon_sha256": "5ca56e157ab6c39cee1cc50c65363cbce5849d9c5de88422c0078d9f34e46116"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3696",
    "kind": "arxiv",
    "version": 1
  }
}