Pith Number

pith:A7UOZVB6

pith:2015:A7UOZVB6UQ4KB6GORF64ZPDPLP

not attested not anchored not stored refs pending

Measurement of the nonlinear refractive index of air constituents at mid-infrared wavelengths

H. M. Milchberg, J. K. Wahlstrand, S. Zahedpour

arxiv:1509.02232 v2 · 2015-09-08 · 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{A7UOZVB6UQ4KB6GORF64ZPDPLP}

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	2026-05-18T01:22:20.226433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07e8ecd43ea438a0f8ce897dccbc6f5bd57ae5687c5ae424635ef1087e021641

Aliases

arxiv: 1509.02232 · arxiv_version: 1509.02232v2 · doi: 10.48550/arxiv.1509.02232 · pith_short_12: A7UOZVB6UQ4K · pith_short_16: A7UOZVB6UQ4KB6GO · pith_short_8: A7UOZVB6

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/A7UOZVB6UQ4KB6GORF64ZPDPLP \
  | 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: 07e8ecd43ea438a0f8ce897dccbc6f5bd57ae5687c5ae424635ef1087e021641

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2023a40a65634c0bcb6915eb115d66276a747d9d5aa74c125eeed96a0274be71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-09-08T00:30:30Z",
    "title_canon_sha256": "919728f6cc0ea8b397255c9c0149ab8d66f2e199dab28bc1e3a978e377be7aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02232",
    "kind": "arxiv",
    "version": 2
  }
}