Pith Number

pith:7WOFUOF7

pith:2017:7WOFUOF73BRWFXGML4WM5KFQ4C

not attested not anchored not stored refs pending

On the contribution of thermal excitation to the total 630.0 nm emissions in the northern cusp ionosphere

Dag A. Lorentzen, Kjellmar Oksavik, Magnar G. Johnsen, Norah Kaggwa Kwagala

arxiv:1706.00318 v1 · 2017-06-01 · physics.space-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{7WOFUOF73BRWFXGML4WM5KFQ4C}

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	2026-05-18T00:43:14.364616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd9c5a38bfd86362dccc5f2ccea8b0e0b218603c4b2833d837c1746cf58a7056

Aliases

arxiv: 1706.00318 · arxiv_version: 1706.00318v1 · doi: 10.48550/arxiv.1706.00318 · pith_short_12: 7WOFUOF73BRW · pith_short_16: 7WOFUOF73BRWFXGM · pith_short_8: 7WOFUOF7

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/7WOFUOF73BRWFXGML4WM5KFQ4C \
  | 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: fd9c5a38bfd86362dccc5f2ccea8b0e0b218603c4b2833d837c1746cf58a7056

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bf9d97aaa96b47c6fa4cb9d0e0d7df0fcd9ecd5fc53f5340101213312a96710",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2017-06-01T14:22:57Z",
    "title_canon_sha256": "9c38ddff3b562772cd14fd855ce820d6cc8e34e6db96ac1090a54e7e0ae03215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00318",
    "kind": "arxiv",
    "version": 1
  }
}