Pith Number

pith:GTUCZGZW

pith:2013:GTUCZGZWLMYAKGYJWZP3C5UPZM

not attested not anchored not stored refs pending

Enhancing efficacy in laser projection by four wavelength combination

Ian Wallhead, Paula Quinz\'a, Roberto Oca\~na

arxiv:1301.4319 v1 · 2013-01-18 · 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{GTUCZGZWLMYAKGYJWZP3C5UPZM}

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	2026-05-18T02:57:15.000505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34e82c9b365b30051b09b65fb1768fcb16633c22f48eb77296e077a0877c3e04

Aliases

arxiv: 1301.4319 · arxiv_version: 1301.4319v1 · doi: 10.48550/arxiv.1301.4319 · pith_short_12: GTUCZGZWLMYA · pith_short_16: GTUCZGZWLMYAKGYJ · pith_short_8: GTUCZGZW

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/GTUCZGZWLMYAKGYJWZP3C5UPZM \
  | 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: 34e82c9b365b30051b09b65fb1768fcb16633c22f48eb77296e077a0877c3e04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "778a7b090bb1d4c614945fa936beebaf6f6e9e31fec39cf3a101985be1b0d4e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-01-18T08:42:13Z",
    "title_canon_sha256": "73ccf03d43570c58c6541caa18667f73dc3175a36f0bac6aa9079ac3a5e99f63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4319",
    "kind": "arxiv",
    "version": 1
  }
}