Pith Number

pith:7IBXHGAJ

pith:2016:7IBXHGAJNWIEVFGFQ5E6RLLJ7A

not attested not anchored not stored refs pending

Inexpensive LED-based spectrophotometer for analyzing optical coatings

Katanya B. Kuntz, Kayla Hardie, Sascha Agne, Thomas Jennewein

arxiv:1606.02774 v1 · 2016-06-08 · physics.ins-det · physics.ed-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{7IBXHGAJNWIEVFGFQ5E6RLLJ7A}

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	2026-05-18T01:12:40.055009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa037398096d904a94c58749e8ad69f80b511fd1e00c74e0b8f4fd9a5bbbf385

Aliases

arxiv: 1606.02774 · arxiv_version: 1606.02774v1 · doi: 10.48550/arxiv.1606.02774 · pith_short_12: 7IBXHGAJNWIE · pith_short_16: 7IBXHGAJNWIEVFGF · pith_short_8: 7IBXHGAJ

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/7IBXHGAJNWIEVFGFQ5E6RLLJ7A \
  | 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: fa037398096d904a94c58749e8ad69f80b511fd1e00c74e0b8f4fd9a5bbbf385

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fa5a76f6bb40ef5ac361b5b109574d3af337d35c14ef21cbfb98507f2a3b2d6",
    "cross_cats_sorted": [
      "physics.ed-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2016-06-08T22:12:02Z",
    "title_canon_sha256": "358c854194c747ea43d3fc607023f67e937dfadc9c2624f05cfe8d259ee1d308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02774",
    "kind": "arxiv",
    "version": 1
  }
}