Pith Number

pith:TDZWIUQM

pith:2018:TDZWIUQM37LC5GX74UHAYNEZTS

not attested not anchored not stored refs pending

Up to Nine Millennia of Multimessenger Solar Activity

Leif Svalgaard

arxiv:1810.11952 v1 · 2018-10-29 · 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{TDZWIUQM37LC5GX74UHAYNEZTS}

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	2026-05-18T00:02:06.911639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98f364520cdfd62e9affe50e0c34999c81eb366fd09d62d2ad86f406fe1350f1

Aliases

arxiv: 1810.11952 · arxiv_version: 1810.11952v1 · doi: 10.48550/arxiv.1810.11952 · pith_short_12: TDZWIUQM37LC · pith_short_16: TDZWIUQM37LC5GX7 · pith_short_8: TDZWIUQM

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/TDZWIUQM37LC5GX74UHAYNEZTS \
  | 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: 98f364520cdfd62e9affe50e0c34999c81eb366fd09d62d2ad86f406fe1350f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6984be1b3acdf12d1fa62c383410e72f65072ff34391e272702d9a4a880798e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-29T04:44:49Z",
    "title_canon_sha256": "26638272bc2b1814aa469cfd385935fafa2d692b9eb7afe84656a936cad6216b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11952",
    "kind": "arxiv",
    "version": 1
  }
}