Pith Number

pith:I4CL2D3M

pith:2018:I4CL2D3MNTCHD7IYPDRXMWCEPO

not attested not anchored not stored refs pending

Visible-spanning flat supercontinuum for astronomical applications

Aakash Ravi, Albrecht Bartels, Andrew Szentgyorgyi, David F. Phillips, Dimitar Sasselov, Matthias Beck, Ronald L. Walsworth

arxiv:1807.07857 v2 · 2018-07-18 · astro-ph.IM · 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{I4CL2D3MNTCHD7IYPDRXMWCEPO}

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	2026-05-18T00:02:17.675610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4704bd0f6c6cc471fd1878e37658447bba86509229a397b3ee91fdbe4ba5c246

Aliases

arxiv: 1807.07857 · arxiv_version: 1807.07857v2 · doi: 10.48550/arxiv.1807.07857 · pith_short_12: I4CL2D3MNTCH · pith_short_16: I4CL2D3MNTCHD7IY · pith_short_8: I4CL2D3M

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/I4CL2D3MNTCHD7IYPDRXMWCEPO \
  | 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: 4704bd0f6c6cc471fd1878e37658447bba86509229a397b3ee91fdbe4ba5c246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2f81f7fe743f1b7520c9c900362e895f8cef3a032c37be3cf3d7d1c2252298b",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-18T14:00:31Z",
    "title_canon_sha256": "505a873c6b0639d07bb4b73fd96cf9c3dbe62816d45d071b323a92a0777a401f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07857",
    "kind": "arxiv",
    "version": 2
  }
}