Pith Number

pith:DWKZTELC

pith:2016:DWKZTELCSKZNFSEGTPPFLUIP5D

not attested not anchored not stored refs pending

An Optical Atmospheric Phenomenon Observed in 1670 over the City of Astrakhan Was not a Mid-Latitude Aurora

D.D. Sokoloff, G.A. Kovaltsov, I.G. Usoskin, J. Vaquero, L.N. Mishina

arxiv:1612.00705 v1 · 2016-11-28 · physics.ao-ph · astro-ph.EP · 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{DWKZTELCSKZNFSEGTPPFLUIP5D}

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	2026-05-18T00:53:29.425930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d9599916292b2d2c8869bde55d10fe8d40abff0dc06870122616a5de06e94c1

Aliases

arxiv: 1612.00705 · arxiv_version: 1612.00705v1 · doi: 10.48550/arxiv.1612.00705 · pith_short_12: DWKZTELCSKZN · pith_short_16: DWKZTELCSKZNFSEG · pith_short_8: DWKZTELC

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/DWKZTELCSKZNFSEGTPPFLUIP5D \
  | 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: 1d9599916292b2d2c8869bde55d10fe8d40abff0dc06870122616a5de06e94c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeed16734b6bec57cc972d30787e7d90770b1c6ac97081569a983352b3ef0ecc",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2016-11-28T10:41:40Z",
    "title_canon_sha256": "bbaafeca1ebef32f76c0dacf6ee6e568a99d01295d3b7eced3c921561770acdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00705",
    "kind": "arxiv",
    "version": 1
  }
}