Pith Number

pith:NHHBVX45

pith:2011:NHHBVX45L2M3HJOM3YELCS34NT

not attested not anchored not stored refs pending

Quantum vacuum radiation in optical glass

Angus Prain, Matt Visser, Stefano Liberati

arxiv:1111.0214 v1 · 2011-11-01 · gr-qc · physics.optics · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHHBVX45L2M3HJOM3YELCS34NT}

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	2026-05-18T03:54:05.989120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69ce1adf9d5e99b3a5ccde08b14b7c6cdfdb8f235b24cddebdfbbe2bce448a2d

Aliases

arxiv: 1111.0214 · arxiv_version: 1111.0214v1 · doi: 10.48550/arxiv.1111.0214 · pith_short_12: NHHBVX45L2M3 · pith_short_16: NHHBVX45L2M3HJOM · pith_short_8: NHHBVX45

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/NHHBVX45L2M3HJOM3YELCS34NT \
  | 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: 69ce1adf9d5e99b3a5ccde08b14b7c6cdfdb8f235b24cddebdfbbe2bce448a2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fa396f9f4265d5fb858cc55099269cfeece77b1b1030a1e4a4ef79b84d1035c",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-11-01T15:10:02Z",
    "title_canon_sha256": "3a2f7552ad30d1c03ba34e3a90f01a65a51ae49baf0ba57981ab01a31fa77b19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0214",
    "kind": "arxiv",
    "version": 1
  }
}