Pith Number

pith:GFAL6A3E

pith:2024:GFAL6A3EZZUPI3SDTLZXY32K5B

not attested not anchored not stored refs pending

Methane Sensing via Unbalanced Nonlinear Interferometry using a CMOS Camera

Alex S. Clark, Arthur C. Cardoso, Haichen Zhou, Jinghan Dong, Jingrui Zhang, John G. Rarity, Weijie Nie

arxiv:2407.20201 v2 · 2024-07-29 · physics.optics · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFAL6A3EZZUPI3SDTLZXY32K5B}

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	2026-07-05T09:14:36.109297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3140bf0364ce68f46e439af37c6f4ae8570395f533f53f3f0357e242192b020c

Aliases

arxiv: 2407.20201 · arxiv_version: 2407.20201v2 · doi: 10.48550/arxiv.2407.20201 · pith_short_12: GFAL6A3EZZUP · pith_short_16: GFAL6A3EZZUPI3SD · pith_short_8: GFAL6A3E

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/GFAL6A3EZZUPI3SDTLZXY32K5B \
  | 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: 3140bf0364ce68f46e439af37c6f4ae8570395f533f53f3f0357e242192b020c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93b7915cb610cfb66d4174d2491fe702a1486f51403c12d01613435a68dba5c6",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-07-29T17:31:45Z",
    "title_canon_sha256": "338291e72ba56dbb0245a298a6b9c294b9867818cb20937c08dab3e1ed347fb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.20201",
    "kind": "arxiv",
    "version": 2
  }
}