Pith Number

pith:WF6ZAAV3

pith:2011:WF6ZAAV3YTYN7PK5KAG6UCN27D

not attested not anchored not stored refs pending

A tilted interference filter in a converging beam

Dan Kiselman, Mats G. L\"ofdahl, Vasco M. J. Henriques

arxiv:1108.1234 v2 · 2011-08-05 · astro-ph.IM · astro-ph.SR · 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{WF6ZAAV3YTYN7PK5KAG6UCN27D}

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	2026-05-18T04:14:28.774147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b17d9002bbc4f0dfbd5d500dea09baf8ca57b8c76e624ec5b7d499cdb9e721ea

Aliases

arxiv: 1108.1234 · arxiv_version: 1108.1234v2 · doi: 10.48550/arxiv.1108.1234 · pith_short_12: WF6ZAAV3YTYN · pith_short_16: WF6ZAAV3YTYN7PK5 · pith_short_8: WF6ZAAV3

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/WF6ZAAV3YTYN7PK5KAG6UCN27D \
  | 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: b17d9002bbc4f0dfbd5d500dea09baf8ca57b8c76e624ec5b7d499cdb9e721ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a675a1953391c646fc381c7f02524194f702b03a696442463c19d1b98a67fe49",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-08-05T00:39:01Z",
    "title_canon_sha256": "1a7399c9cf620422f57d0429d1e1c0b1a366d65c624cfc7a8b7907b9fe36b3e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1234",
    "kind": "arxiv",
    "version": 2
  }
}