Pith Number

pith:JC47AUCU

pith:2007:JC47AUCUE3UINZ3RMTTPEMCPL4

not attested not anchored not stored refs pending

Femtosecond laser Fourier transform absorption spectroscopy

Fr\'ed\'eric Druon (LCFIO), Guy Guelachvili (PPM), Julien Mandon (PPM), Nathalie Picqu\'e (PPM), Patrick Georges (LCFIO)

arxiv:physics/0703169 v1 · 2007-03-16 · 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{JC47AUCUE3UINZ3RMTTPEMCPL4}

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	2026-05-18T01:09:14.568360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48b9f0505426e886e77164e6f2304f5f348da563dbf1a5abf347ca45e66011c4

Aliases

arxiv: physics/0703169 · arxiv_version: physics/0703169v1 · doi: 10.48550/arxiv.physics/0703169 · pith_short_12: JC47AUCUE3UI · pith_short_16: JC47AUCUE3UINZ3R · pith_short_8: JC47AUCU

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/JC47AUCUE3UINZ3RMTTPEMCPL4 \
  | 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: 48b9f0505426e886e77164e6f2304f5f348da563dbf1a5abf347ca45e66011c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe5488e045a8cc3a950142345a5024950687c570b1ee3fad5b4556d87a6b8ddd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2007-03-16T10:21:25Z",
    "title_canon_sha256": "417fd96c2de77c703f5c0924b4e6f0cd9f775dbab539cedd265a48924889768b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0703169",
    "kind": "arxiv",
    "version": 1
  }
}