Pith Number

pith:NMTA4PXM

pith:2020:NMTA4PXM6Z6T5CKVIPO7VMJUJ6

not attested not anchored not stored refs pending

Relation of X-ray activity and rotation in M dwarfs and predicted time-evolution of the X-ray luminosity

A.Scholz, B. Stelzer, E. Magaudda, K. R. Covey, S. P. Matt, St. Raetz

arxiv:2004.02904 v1 · 2020-04-06 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMTA4PXM6Z6T5CKVIPO7VMJUJ6}

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	2026-07-05T01:10:35.409681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b260e3eecf67d3e895543ddfab1344fa9415d9e64a0a8ce832c968f0680f19f

Aliases

arxiv: 2004.02904 · arxiv_version: 2004.02904v1 · doi: 10.48550/arxiv.2004.02904 · pith_short_12: NMTA4PXM6Z6T · pith_short_16: NMTA4PXM6Z6T5CKV · pith_short_8: NMTA4PXM

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/NMTA4PXM6Z6T5CKVIPO7VMJUJ6 \
  | 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: 6b260e3eecf67d3e895543ddfab1344fa9415d9e64a0a8ce832c968f0680f19f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cebb146c3bebb797ba84e15c49d91ac71a2e38530b1869e0a8b9b3a266a9be6f",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-04-06T18:00:09Z",
    "title_canon_sha256": "552efcd7a2b0008b835697833002f1e57240b3f8fdd4d9657eae4fc9c1baedfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02904",
    "kind": "arxiv",
    "version": 1
  }
}