Pith Number

pith:PSU6CXDN

pith:2015:PSU6CXDN5A5HJUU5YQSPKCIHVX

not attested not anchored not stored refs pending

All-frequency reflectionlessness

T.G. Philbin

arxiv:1510.02920 v1 · 2015-10-10 · physics.optics · quant-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{PSU6CXDN5A5HJUU5YQSPKCIHVX}

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	2026-05-18T01:22:35.481860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ca9e15c6de83a74d29dc424f50907adc03eec9a10db82fef34ec37b328db4e3

Aliases

arxiv: 1510.02920 · arxiv_version: 1510.02920v1 · doi: 10.48550/arxiv.1510.02920 · pith_short_12: PSU6CXDN5A5H · pith_short_16: PSU6CXDN5A5HJUU5 · pith_short_8: PSU6CXDN

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/PSU6CXDN5A5HJUU5YQSPKCIHVX \
  | 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: 7ca9e15c6de83a74d29dc424f50907adc03eec9a10db82fef34ec37b328db4e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "248c8a515d623a0c8901fdf84bfb9b0702dc1e12869e5414094aa89de918ae48",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-10-10T12:22:42Z",
    "title_canon_sha256": "56fbea7444400724fa7e2f8d310c89c7dd906c8af7e8b2a2d2adde2b3b479f66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02920",
    "kind": "arxiv",
    "version": 1
  }
}