Pith Number

pith:ZTPOL7KC

pith:2012:ZTPOL7KCCQVYGI745QAFGVP6LF

not attested not anchored not stored refs pending

Periodically patterned columnar thin films as Blazed gratings

Akhlesh Lakhtakia, Jhuma Dutta, S. Anantha Ramakrishna

arxiv:1209.5264 v2 · 2012-09-24 · 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{ZTPOL7KCCQVYGI745QAFGVP6LF}

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	2026-05-18T01:54:19.553067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccdee5fd42142b8323fcec005355fe594887b34d1cbe1bbc7f0289caff84c86f

Aliases

arxiv: 1209.5264 · arxiv_version: 1209.5264v2 · doi: 10.48550/arxiv.1209.5264 · pith_short_12: ZTPOL7KCCQVY · pith_short_16: ZTPOL7KCCQVYGI74 · pith_short_8: ZTPOL7KC

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/ZTPOL7KCCQVYGI745QAFGVP6LF \
  | 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: ccdee5fd42142b8323fcec005355fe594887b34d1cbe1bbc7f0289caff84c86f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b752030459e6df52ca8578f331c2d92df071e18868e82f4bbe7e3db52a2fb010",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-09-24T13:32:53Z",
    "title_canon_sha256": "760482b73062d4eb57ddaf4159edb81503cefea3e106b76faf1a3dd1ec5765c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5264",
    "kind": "arxiv",
    "version": 2
  }
}