Pith Number

pith:OXEBZJZD

pith:2013:OXEBZJZD23TH3I7GW6FQGBPIXJ

not attested not anchored not stored refs pending

Long-term Spatial and Temporal Variations of Aurora Borealis Events in the Period 1700--1905

J.M. Vaquero, M.C. Gallego, M. V\'azquez

arxiv:1309.1502 v1 · 2013-09-05 · astro-ph.SR · 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{OXEBZJZD23TH3I7GW6FQGBPIXJ}

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	2026-05-18T01:47:49.254654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75c81ca723d6e67da3e6b78b0305e8ba59f708bc4d7b060a63684268ce20a55a

Aliases

arxiv: 1309.1502 · arxiv_version: 1309.1502v1 · doi: 10.48550/arxiv.1309.1502 · pith_short_12: OXEBZJZD23TH · pith_short_16: OXEBZJZD23TH3I7G · pith_short_8: OXEBZJZD

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/OXEBZJZD23TH3I7GW6FQGBPIXJ \
  | 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: 75c81ca723d6e67da3e6b78b0305e8ba59f708bc4d7b060a63684268ce20a55a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "293860329fd1b6b7274c5778837955081427df30c9fa42d8802697a932c831c2",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-05T22:16:05Z",
    "title_canon_sha256": "c44ac8699aa8462dea04c92895ce3f4f9c667a982f91c1f5c4eff20f3ef64034"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1502",
    "kind": "arxiv",
    "version": 1
  }
}