Pith Number

pith:I65M46X2

pith:2009:I65M46X2VUJP2X34LPAMMGZAXU

not attested not anchored not stored refs pending

Optics of Rotating Systems

Bahram Mashhoon

arxiv:0903.1315 v2 · 2009-03-09 · gr-qc · physics.optics · quant-ph

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

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	2026-05-18T04:14:45.214451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47bace7afaad12fd5f7c5bc0c61b20bd2874d4ac703a1994d2be329e8a51083e

Aliases

arxiv: 0903.1315 · arxiv_version: 0903.1315v2 · doi: 10.48550/arxiv.0903.1315 · pith_short_12: I65M46X2VUJP · pith_short_16: I65M46X2VUJP2X34 · pith_short_8: I65M46X2

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/I65M46X2VUJP2X34LPAMMGZAXU \
  | 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: 47bace7afaad12fd5f7c5bc0c61b20bd2874d4ac703a1994d2be329e8a51083e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "510811e48037dff6ece33653478994bba1a92cc00a12c884b2b249a9a0970948",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-03-09T18:44:03Z",
    "title_canon_sha256": "08a77c854f9e0200895c07a24b6ed9f7a7fbcefa8e6b2f251e294dd401ce2b90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1315",
    "kind": "arxiv",
    "version": 2
  }
}