Pith Number

pith:EVKISDP6

pith:2019:EVKISDP6F22DQTUYX5QZYBEXLK

not attested not anchored not stored refs pending

Helium Variation Across Two Solar Cycles Reveals A Speed-Dependent Phase Lag

B. L. Alterman, Justin C. Kasper

arxiv:1906.12273 v1 · 2019-06-28 · physics.space-ph · 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{EVKISDP6F22DQTUYX5QZYBEXLK}

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	2026-05-17T23:41:58.802269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2554890dfe2eb4384e98bf619c04975ab01fb9b251104237052938a39b85af08

Aliases

arxiv: 1906.12273 · arxiv_version: 1906.12273v1 · doi: 10.48550/arxiv.1906.12273 · pith_short_12: EVKISDP6F22D · pith_short_16: EVKISDP6F22DQTUY · pith_short_8: EVKISDP6

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/EVKISDP6F22DQTUYX5QZYBEXLK \
  | 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: 2554890dfe2eb4384e98bf619c04975ab01fb9b251104237052938a39b85af08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf4cb992b531f3ad51b28ab4ae259e83ca26e435a27bb8323533036cd480ee6d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2019-06-28T15:42:45Z",
    "title_canon_sha256": "63c403008bff9aee8d7d163629387376f0137c147d3bd41987bfa58d480ea23d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.12273",
    "kind": "arxiv",
    "version": 1
  }
}