Pith Number

pith:W7ELE6DH

pith:2011:W7ELE6DHQSJ7H33AEXAII3QUHA

not attested not anchored not stored refs pending

Continuous upflows and sporadic downflows observed in active regions

H. Peter, S. Kamio, S. K. Solanki, W. Curdt

arxiv:1107.1993 v1 · 2011-07-11 · 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{W7ELE6DHQSJ7H33AEXAII3QUHA}

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	2026-05-18T04:16:01.334878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c8b278678493f3ef6025c0846e143835b779209c79fcb438d8a2dac51dbac8

Aliases

arxiv: 1107.1993 · arxiv_version: 1107.1993v1 · doi: 10.48550/arxiv.1107.1993 · pith_short_12: W7ELE6DHQSJ7 · pith_short_16: W7ELE6DHQSJ7H33A · pith_short_8: W7ELE6DH

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/W7ELE6DHQSJ7H33AEXAII3QUHA \
  | 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: b7c8b278678493f3ef6025c0846e143835b779209c79fcb438d8a2dac51dbac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ef8871a514386698afe0eca737fcdfdfc15df01f6540e4ace08c14c2806934b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-11T11:02:44Z",
    "title_canon_sha256": "9d1f4ac1d50e0d8cb4d49d776aa0e1edeee332e43e981913be8980101296f83c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1993",
    "kind": "arxiv",
    "version": 1
  }
}