Pith Number

pith:BWAC7JTN

pith:2022:BWAC7JTN42YCLSCQKDFEJN3GQN

not attested not anchored not stored refs pending

Computation of the lateral shift due to atmospheric refraction

Fr\'ed\'eric Cassaing, Hanae Labriji, Olivier Herscovici-Schiller

arxiv:2203.03459 v1 · 2022-03-07 · astro-ph.IM · 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{BWAC7JTN42YCLSCQKDFEJN3GQN}

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	2026-07-05T04:02:34.668668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d802fa66de6b025c85050ca44b7668374947ac981c16712ab56ca3a0da2260b

Aliases

arxiv: 2203.03459 · arxiv_version: 2203.03459v1 · doi: 10.48550/arxiv.2203.03459 · pith_short_12: BWAC7JTN42YC · pith_short_16: BWAC7JTN42YCLSCQ · pith_short_8: BWAC7JTN

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/BWAC7JTN42YCLSCQKDFEJN3GQN \
  | 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: 0d802fa66de6b025c85050ca44b7668374947ac981c16712ab56ca3a0da2260b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d8adf85d1c4941d873b81ba43c019338b096ebb2f1a83a9b0550773b954764b",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-03-07T15:18:51Z",
    "title_canon_sha256": "4aff1b6a3b2cfa9fdc2c9711fca0294cf0ece51eac3f3e849ed82bc3a7df689b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.03459",
    "kind": "arxiv",
    "version": 1
  }
}