Pith Number

pith:OJIBPP6R

pith:2018:OJIBPP6R67HM4JWSQ4M3XSULCF

not attested not anchored not stored refs pending

Versatile photoacoustic spectrometer based on a mid-infrared pulsed optical parametric oscillator

Andre peremans, David Balslev-Harder, Jan C. Petersen, Laurent Lamard, Mikael Lassen

arxiv:1901.00471 v1 · 2018-12-10 · physics.app-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{OJIBPP6R67HM4JWSQ4M3XSULCF}

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	2026-05-17T23:55:10.375893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

725017bfd1f7cece26d28719bbca8b11689f4a51e7ea1df4da86b7b04a454186

Aliases

arxiv: 1901.00471 · arxiv_version: 1901.00471v1 · doi: 10.48550/arxiv.1901.00471 · pith_short_12: OJIBPP6R67HM · pith_short_16: OJIBPP6R67HM4JWS · pith_short_8: OJIBPP6R

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/OJIBPP6R67HM4JWSQ4M3XSULCF \
  | 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: 725017bfd1f7cece26d28719bbca8b11689f4a51e7ea1df4da86b7b04a454186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ef3d2e68bb7df33223803c487a65de43136e177336fdd7534f5d951315cd000",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-12-10T11:45:25Z",
    "title_canon_sha256": "2a6c46f1ecf4ab1a1bf631983bcc401bcd890db8d8bfc2d166d4dff8ead54692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00471",
    "kind": "arxiv",
    "version": 1
  }
}