Pith Number

pith:RWC4WO4I

pith:2012:RWC4WO4IYRTN2QN6RW7UE7T3GD

not attested not anchored not stored refs pending

Cavity-enhanced optical frequency comb spectroscopy in the mid-infrared - application to trace detection of H2O2

Adam J. Fleisher, Aleksandra Foltynowicz, Bryce Bjork, Jun Ye, Piotr Maslowski

arxiv:1202.1216 v1 · 2012-02-06 · physics.optics · physics.atom-ph · physics.chem-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{RWC4WO4IYRTN2QN6RW7UE7T3GD}

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	2026-05-18T02:38:59.618980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d85cb3b88c466dd41be8dbf427e7b30c7b94e6a8fad4b6032b5b01dbe6843cd

Aliases

arxiv: 1202.1216 · arxiv_version: 1202.1216v1 · doi: 10.48550/arxiv.1202.1216 · pith_short_12: RWC4WO4IYRTN · pith_short_16: RWC4WO4IYRTN2QN6 · pith_short_8: RWC4WO4I

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/RWC4WO4IYRTN2QN6RW7UE7T3GD \
  | 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: 8d85cb3b88c466dd41be8dbf427e7b30c7b94e6a8fad4b6032b5b01dbe6843cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9b4ffbd7eb44158c4d7cfe46951c62f848643f92804726042196de0c899b262",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-02-06T17:30:37Z",
    "title_canon_sha256": "564b49ec0b2411bc90f90b6336969b068deabccdf8785d237593b764be70763b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1216",
    "kind": "arxiv",
    "version": 1
  }
}