Pith Number

pith:X3VJAENI

pith:2015:X3VJAENICMGM5HNH4TLGSBHCI2

not attested not anchored not stored refs pending

On-chip optical event horizon

Bart Kuyken, Charles Ciret, Fran\c{c}ois Leo, Gunther Roelkens, Simon-Pierre Gorza

arxiv:1508.03560 v1 · 2015-08-14 · 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{X3VJAENICMGM5HNH4TLGSBHCI2}

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	2026-05-18T01:35:17.384969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beea9011a8130cce9da7e4d66904e246850bb2e76de7b991e9820760bf23d914

Aliases

arxiv: 1508.03560 · arxiv_version: 1508.03560v1 · doi: 10.48550/arxiv.1508.03560 · pith_short_12: X3VJAENICMGM · pith_short_16: X3VJAENICMGM5HNH · pith_short_8: X3VJAENI

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/X3VJAENICMGM5HNH4TLGSBHCI2 \
  | 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: beea9011a8130cce9da7e4d66904e246850bb2e76de7b991e9820760bf23d914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4d22983793456de5b6407349a39a7afc40715b95cae100e589315a0f036fada",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-08-14T16:22:22Z",
    "title_canon_sha256": "1f5103c68ca20d1f969bcd9e45b269176779f836a7e5267858878b9e324c2c96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03560",
    "kind": "arxiv",
    "version": 1
  }
}