Pith Number

pith:WQV7M6RC

pith:2016:WQV7M6RCJ7TRPROXXKWNYBLIN6

not attested not anchored not stored refs pending

A distinct magnetic property of the inner penumbral boundary. II. Formation of a penumbra at the expense of a pore

Jan Jurcak, Nazaret Bello Gonzalez, Reza Rezaei, Rolf Schlichenmaier

arxiv:1612.01745 v1 · 2016-12-06 · 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{WQV7M6RCJ7TRPROXXKWNYBLIN6}

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	2026-05-18T00:53:57.514915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42bf67a224fe717c5d7baacdc05686fa98428979d44ddf6467a8d337ee55353

Aliases

arxiv: 1612.01745 · arxiv_version: 1612.01745v1 · doi: 10.48550/arxiv.1612.01745 · pith_short_12: WQV7M6RCJ7TR · pith_short_16: WQV7M6RCJ7TRPROX · pith_short_8: WQV7M6RC

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/WQV7M6RCJ7TRPROXXKWNYBLIN6 \
  | 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: b42bf67a224fe717c5d7baacdc05686fa98428979d44ddf6467a8d337ee55353

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08cb40e014bed23011e01e7916aff13ac37a0ebd9ca24c17329b6705ab40286e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-06T10:48:56Z",
    "title_canon_sha256": "a6552a53781aefe12682f9888994ec0c55b55ea64f6e72bc77b8b92c903ad3d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01745",
    "kind": "arxiv",
    "version": 1
  }
}