Pith Number

pith:SD6F3O22

pith:2020:SD6F3O22H4VK2DCVJV5M3DWDCL

not attested not anchored not stored refs pending

Atomic line versus lens cavity filters: A comparison of their merits

Clare R. Higgins, Danielle Pizzey, Ifan G. Hughes, Renju S. Mathew

arxiv:2002.07708 v2 · 2020-02-17 · physics.ins-det · physics.atom-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{SD6F3O22H4VK2DCVJV5M3DWDCL}

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	2026-07-05T00:53:53.191949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90fc5dbb5a3f2aad0c554d7acd8ec312f8e9c3bc2418b9fd7ed403a56986239e

Aliases

arxiv: 2002.07708 · arxiv_version: 2002.07708v2 · doi: 10.48550/arxiv.2002.07708 · pith_short_12: SD6F3O22H4VK · pith_short_16: SD6F3O22H4VK2DCV · pith_short_8: SD6F3O22

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/SD6F3O22H4VK2DCVJV5M3DWDCL \
  | 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: 90fc5dbb5a3f2aad0c554d7acd8ec312f8e9c3bc2418b9fd7ed403a56986239e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59baf1185eead386717ef4da551ef8740c5b22f1cc81fa5b23475398e476beef",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2020-02-17T16:08:51Z",
    "title_canon_sha256": "67947863d6ffb0a826cc8c81099db6732539e026092a24651f7cfba57a9a993f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.07708",
    "kind": "arxiv",
    "version": 2
  }
}