Pith Number

pith:IBWHFODO

pith:2011:IBWHFODOP47K4K7TCAYODO5JJ2

not attested not anchored not stored refs pending

Femtosecond Spectroscopy with Vacuum Ultraviolet Pulse Pairs

A. Belkacem, A. M. Stooke, C. Khurmi, J. van Tilborg, R. W. Falcone, T. K. Allison, T. W. Wright, Y. Liu

arxiv:1101.5958 v1 · 2011-01-31 · physics.chem-ph · physics.atom-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{IBWHFODOP47K4K7TCAYODO5JJ2}

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	2026-05-18T02:03:20.034215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

406c72b86e7f3eae2bf31030e1bba94ea0a359ed4d1ad2b98aa0b78a1c9dc8bf

Aliases

arxiv: 1101.5958 · arxiv_version: 1101.5958v1 · doi: 10.48550/arxiv.1101.5958 · pith_short_12: IBWHFODOP47K · pith_short_16: IBWHFODOP47K4K7T · pith_short_8: IBWHFODO

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/IBWHFODOP47K4K7TCAYODO5JJ2 \
  | 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: 406c72b86e7f3eae2bf31030e1bba94ea0a359ed4d1ad2b98aa0b78a1c9dc8bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c16b4cc241a1a388e3867dbedc12b096efed50a0001e0b311789b358715468",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2011-01-31T13:31:49Z",
    "title_canon_sha256": "45b93d30792302336d10f26c3229f5dceb27edd3959cb14d6339793b91586103"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5958",
    "kind": "arxiv",
    "version": 1
  }
}