Pith Number

pith:7RM2FYZD

pith:2012:7RM2FYZDBZBQCESBVHLFH2575D

not attested not anchored not stored refs pending

Basal Chromospheric Flux and Maunder Minimum-type Stars: The quiet-Sun Chromosphere as a Universal Phenomenon

J. H. M. M. Schmitt, K.-P. Schroeder, M. Cuntz, M. I. Perez Martinez, M. Mittag

arxiv:1202.3314 v2 · 2012-02-15 · 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{7RM2FYZDBZBQCESBVHLFH2575D}

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	2026-05-18T01:58:28.083913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc59a2e3230e43011241a9d653ebbfe8e524113dc5401a66534a237036199559

Aliases

arxiv: 1202.3314 · arxiv_version: 1202.3314v2 · doi: 10.48550/arxiv.1202.3314 · pith_short_12: 7RM2FYZDBZBQ · pith_short_16: 7RM2FYZDBZBQCESB · pith_short_8: 7RM2FYZD

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/7RM2FYZDBZBQCESBVHLFH2575D \
  | 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: fc59a2e3230e43011241a9d653ebbfe8e524113dc5401a66534a237036199559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5efbdb65066b01279362fce072a3012da70804c4dfcf7d178ec3a89deda518e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-15T14:20:23Z",
    "title_canon_sha256": "74f1a09c361da9aeb31e83807c816bf64913ec20c4ebbbbf34438fbc17f698ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3314",
    "kind": "arxiv",
    "version": 2
  }
}