Pith Number

pith:GSRDN7RC

pith:2013:GSRDN7RCUVDYZFARLOL75XU5OV

not attested not anchored not stored refs pending

Quasi-specular reflection from particulate media

Antti Penttil\"a

arxiv:1310.0624 v1 · 2013-10-02 · physics.optics · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSRDN7RCUVDYZFARLOL75XU5OV}

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	2026-05-18T03:11:34.575461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34a236fe22a5478c94115b97fede9d7569762969b5db3630351ececd211a0729

Aliases

arxiv: 1310.0624 · arxiv_version: 1310.0624v1 · doi: 10.48550/arxiv.1310.0624 · pith_short_12: GSRDN7RCUVDY · pith_short_16: GSRDN7RCUVDYZFAR · pith_short_8: GSRDN7RC

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/GSRDN7RCUVDYZFARLOL75XU5OV \
  | 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: 34a236fe22a5478c94115b97fede9d7569762969b5db3630351ececd211a0729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "034f6193df58d122788f31ef24e6c4ae3e6cb25f9cd36a7e6b04493c30cb148e",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-10-02T08:59:48Z",
    "title_canon_sha256": "c65109a51890481f123d6f15fadb9d8670618cec0ca412a1b4dd923ec1135c41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0624",
    "kind": "arxiv",
    "version": 1
  }
}