Pith Number

pith:KDQYD2DI

pith:2014:KDQYD2DIYAJBNQD5T2OOHJ5RLO

not attested not anchored not stored refs pending

Spatio-temporal isolation of attosecond soft X-ray pulses in the water window

Francisco Silva, Jens Biegert, Michael Hemmer, Seth L. Cousin, Stephan Teichmann

arxiv:1411.1964 v1 · 2014-11-07 · 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{KDQYD2DIYAJBNQD5T2OOHJ5RLO}

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	2026-05-18T01:41:34.044467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50e181e868c01216c07d9e9ce3a7b15ba5e2636bfb92475becc4d836438bde4a

Aliases

arxiv: 1411.1964 · arxiv_version: 1411.1964v1 · doi: 10.48550/arxiv.1411.1964 · pith_short_12: KDQYD2DIYAJB · pith_short_16: KDQYD2DIYAJBNQD5 · pith_short_8: KDQYD2DI

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/KDQYD2DIYAJBNQD5T2OOHJ5RLO \
  | 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: 50e181e868c01216c07d9e9ce3a7b15ba5e2636bfb92475becc4d836438bde4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "611d4cf34af2cff30430c2d54fdedfe2f3196fefe7400e6965d40492b79813f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-11-07T16:28:48Z",
    "title_canon_sha256": "a5d99e082e9716f34ffd9dd957579abee6e3b5c4a641bd3836a55a8cd6700b5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1964",
    "kind": "arxiv",
    "version": 1
  }
}