Pith Number

pith:ENGQSNSI

pith:2015:ENGQSNSIDE2BLMVQEFMHVL5BOB

not attested not anchored not stored refs pending

Solar Sector Structure

Hugh Hudson, Iain Hannah, Leif Svalgaard

arxiv:1503.04477 v1 · 2015-03-15 · 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{ENGQSNSIDE2BLMVQEFMHVL5BOB}

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	2026-05-18T02:23:24.932340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

234d093648193415b2b021587aafa17054d6bb43ef3a75ba20c03f4fe5b1eadd

Aliases

arxiv: 1503.04477 · arxiv_version: 1503.04477v1 · doi: 10.48550/arxiv.1503.04477 · pith_short_12: ENGQSNSIDE2B · pith_short_16: ENGQSNSIDE2BLMVQ · pith_short_8: ENGQSNSI

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/ENGQSNSIDE2BLMVQEFMHVL5BOB \
  | 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: 234d093648193415b2b021587aafa17054d6bb43ef3a75ba20c03f4fe5b1eadd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9f051d16c2ebeac5c0025c3160472fa0fd14bb6f085061759343bee49a4a01b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-15T21:28:12Z",
    "title_canon_sha256": "6a7a288aa417e00f438d7d6b055971639ea08e604c4f6e452aff5e99ff6f56f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04477",
    "kind": "arxiv",
    "version": 1
  }
}