Pith Number

pith:OOAP4LCB

pith:2023:OOAP4LCBYRCVSHSNFNPSKHZCIY

not attested not anchored not stored refs pending

Reconstruction of rough surfaces from a single receiver at grazing angle

Mark Spivack, Orsola Rath Spivack, Yuxuan Chen

arxiv:2312.12070 v1 · 2023-12-19 · physics.comp-ph · 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{OOAP4LCBYRCVSHSNFNPSKHZCIY}

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	2026-07-05T07:27:21.908015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7380fe2c41c445591e4d2b5f251f22460e0bdf04d2f39ce84c6764e108e48f1d

Aliases

arxiv: 2312.12070 · arxiv_version: 2312.12070v1 · doi: 10.48550/arxiv.2312.12070 · pith_short_12: OOAP4LCBYRCV · pith_short_16: OOAP4LCBYRCVSHSN · pith_short_8: OOAP4LCB

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/OOAP4LCBYRCVSHSNFNPSKHZCIY \
  | 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: 7380fe2c41c445591e4d2b5f251f22460e0bdf04d2f39ce84c6764e108e48f1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64121ade8ecb7253b96e6280c1d3730c667d82a9d8e9a7a6995563c91642a2eb",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2023-12-19T11:37:15Z",
    "title_canon_sha256": "8a3ac948d1b6ce8aefc03c5f2a24d7093a6e51089faca475fdc7def6d54a24aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.12070",
    "kind": "arxiv",
    "version": 1
  }
}