Pith Number

pith:H4LSTTC6

pith:2026:H4LSTTC6VTSJYBUN7MEB4VC3N2

not attested not anchored not stored refs pending

Distance-Independent Atmospheric Refraction Correction for Accurate Retrieval of Fireball Trajectories

Jaakko Visuri, Janne Sievinen, Maria Gritsevich

arxiv:2601.15805 v2 · 2026-01-22 · astro-ph.IM · astro-ph.EP · physics.ao-ph · physics.geo-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4LSTTC6VTSJYBUN7MEB4VC3N2}

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	2026-05-27T14:06:40.598645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f1729cc5eace49c068dfb081e545b6eb900e62d8f70869ab47c14d72b7ae24e

Aliases

arxiv: 2601.15805 · arxiv_version: 2601.15805v2 · doi: 10.48550/arxiv.2601.15805 · pith_short_12: H4LSTTC6VTSJ · pith_short_16: H4LSTTC6VTSJYBUN · pith_short_8: H4LSTTC6

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/H4LSTTC6VTSJYBUN7MEB4VC3N2 \
  | 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: 3f1729cc5eace49c068dfb081e545b6eb900e62d8f70869ab47c14d72b7ae24e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5431ed3cd3d8ad229b2910d184c7a7d5f8a2b0aa1bbb1ce523635f682590aac6",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "physics.ao-ph",
      "physics.geo-ph",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-01-22T09:42:39Z",
    "title_canon_sha256": "db25f00f97576211e36848b1b4cad9fe667065d780a717fda445364e390e6384"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.15805",
    "kind": "arxiv",
    "version": 2
  }
}