Pith Number

pith:IYHCBDJG

pith:2012:IYHCBDJGEL7D5IGB6YY3QF5J63

not attested not anchored not stored refs pending

On the Influence of the Data Sampling Interval on Computer-Derived K-Indices

Armelle Bernard (EOSTS), Aude Chambodut (EOSTS, Ipgs), Menvielle Michel (LATMOS)

arxiv:1202.5840 v1 · 2012-02-27 · physics.geo-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYHCBDJGEL7D5IGB6YY3QF5J63}

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	2026-05-18T04:01:24.502350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

460e208d2622fe3ea0c1f631b817a9f6eb39f8975c40b8373b782c812868384d

Aliases

arxiv: 1202.5840 · arxiv_version: 1202.5840v1 · doi: 10.48550/arxiv.1202.5840 · pith_short_12: IYHCBDJGEL7D · pith_short_16: IYHCBDJGEL7D5IGB · pith_short_8: IYHCBDJG

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/IYHCBDJGEL7D5IGB6YY3QF5J63 \
  | 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: 460e208d2622fe3ea0c1f631b817a9f6eb39f8975c40b8373b782c812868384d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb782b39dea210ec43cf792b8b61105c16716781278f50a9b8283f37cb4e548a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2012-02-27T07:37:09Z",
    "title_canon_sha256": "64d8add0cf6e1368de6c83f92a61c01eab468c44bbb607edc7c2eaeecd462386"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5840",
    "kind": "arxiv",
    "version": 1
  }
}