Pith Number

pith:6VRONZJ3

pith:2012:6VRONZJ3QSOCMVY75KHMMJAG6V

not attested not anchored not stored refs pending

Regina vs Hubbs: Determining the Sun's Position

Raminder Singh Samra

arxiv:1209.4413 v1 · 2012-09-19 · physics.pop-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{6VRONZJ3QSOCMVY75KHMMJAG6V}

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	2026-05-18T03:45:11.786365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f562e6e53b849c26571fea8ec62406f55a61a93a150df66d3b0f8432a977c6ec

Aliases

arxiv: 1209.4413 · arxiv_version: 1209.4413v1 · doi: 10.48550/arxiv.1209.4413 · pith_short_12: 6VRONZJ3QSOC · pith_short_16: 6VRONZJ3QSOCMVY7 · pith_short_8: 6VRONZJ3

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/6VRONZJ3QSOCMVY75KHMMJAG6V \
  | 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: f562e6e53b849c26571fea8ec62406f55a61a93a150df66d3b0f8432a977c6ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb828b1ea046e5dc66aee77f6bac6ef9adf6ab2f23f0ccd729558534bf433abd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2012-09-19T19:15:44Z",
    "title_canon_sha256": "ec7f2213344c477ef2fb1d22e09f5eaf64504e3baf3c0f989b3e094cdbe52670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4413",
    "kind": "arxiv",
    "version": 1
  }
}