Pith Number

pith:KWHSACA3

pith:2018:KWHSACA3TCSB7EQVC5STOW43XX

not attested not anchored not stored refs pending

Coherent virtual absorption for discretized light

Stefano Longhi

arxiv:1803.09969 v1 · 2018-03-27 · 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{KWHSACA3TCSB7EQVC5STOW43XX}

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	2026-05-18T00:15:15.163472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

558f20081b98a41f92151765375b9bbdda79274aad10c93e660fc0bf81a74730

Aliases

arxiv: 1803.09969 · arxiv_version: 1803.09969v1 · doi: 10.48550/arxiv.1803.09969 · pith_short_12: KWHSACA3TCSB · pith_short_16: KWHSACA3TCSB7EQV · pith_short_8: KWHSACA3

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/KWHSACA3TCSB7EQVC5STOW43XX \
  | 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: 558f20081b98a41f92151765375b9bbdda79274aad10c93e660fc0bf81a74730

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a17673a854e71779fdd4e421ca71e1f0287eabe54956a0c6b6a167ad0b92816",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-03-27T09:02:12Z",
    "title_canon_sha256": "6583f6734f981e147e961266c3f511fde1cc8fe37494d3e5d856612b1624f687"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09969",
    "kind": "arxiv",
    "version": 1
  }
}