Pith Number

pith:ODT4MRIF

pith:2016:ODT4MRIFOVATSVN5WAVX6KNS7R

not attested not anchored not stored refs pending

Theory of chirped photonic crystals in biological broadband reflectors

Ariel Amir, Caleb Q. Cook

arxiv:1608.05831 v2 · 2016-08-20 · physics.optics · cond-mat.mes-hall · physics.bio-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{ODT4MRIFOVATSVN5WAVX6KNS7R}

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	2026-05-18T00:31:22.488619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70e7c6450575413955bdb02b7f29b2fc69f67cab455cde7e89b04f20e9a8e014

Aliases

arxiv: 1608.05831 · arxiv_version: 1608.05831v2 · doi: 10.48550/arxiv.1608.05831 · pith_short_12: ODT4MRIFOVAT · pith_short_16: ODT4MRIFOVATSVN5 · pith_short_8: ODT4MRIF

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/ODT4MRIFOVATSVN5WAVX6KNS7R \
  | 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: 70e7c6450575413955bdb02b7f29b2fc69f67cab455cde7e89b04f20e9a8e014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80e99cbbb428e873c25ce5962dcf75f62064c445710dbe59e8cb42fc38ff77b0",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-08-20T14:44:05Z",
    "title_canon_sha256": "c1b4ec8fc848179870f9c9127334283a9f3b3c7ab603b4c9069ea25be2e816c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05831",
    "kind": "arxiv",
    "version": 2
  }
}