Pith Number

pith:5UWFKHTC

pith:2022:5UWFKHTC3IFVLGBXAR3TIF22SY

not attested not anchored not stored refs pending

Space-Time Projection Optical Tomography: Search Space and Orbit Determination

David J. Brady, Hasan Bahcivan

arxiv:2211.13040 v2 · 2022-11-23 · physics.optics · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5UWFKHTC3IFVLGBXAR3TIF22SY}

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	2026-07-05T05:19:21.522493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed2c551e62da0b559837047734175a96046c2660b4d803b356b816f1dc1e6a7e

Aliases

arxiv: 2211.13040 · arxiv_version: 2211.13040v2 · doi: 10.48550/arxiv.2211.13040 · pith_short_12: 5UWFKHTC3IFV · pith_short_16: 5UWFKHTC3IFVLGBX · pith_short_8: 5UWFKHTC

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/5UWFKHTC3IFVLGBXAR3TIF22SY \
  | 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: ed2c551e62da0b559837047734175a96046c2660b4d803b356b816f1dc1e6a7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74cd834833d58b5095dc0dcc6a36a14fe8e9e903c01593bf10a67aa4f0d1672f",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-11-23T15:47:41Z",
    "title_canon_sha256": "807781af879c65e5ca1b24a76e0d1fb8c9d6dfafcab6656de967f2848dcbe1e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.13040",
    "kind": "arxiv",
    "version": 2
  }
}