Pith Number

pith:F5NTJHJ6

pith:2011:F5NTJHJ64B3JRSU6KQFPQ3HNR3

not attested not anchored not stored refs pending

What does photon energy tell us about cellphone safety?

William J. Bruno

arxiv:1104.5008 v2 · 2011-04-26 · q-bio.OT · physics.bio-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{F5NTJHJ64B3JRSU6KQFPQ3HNR3}

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	2026-05-18T00:45:52.744599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f5b349d3ee07698ca9e540af86ced8edf39507dd985c88530f6533acac21a02

Aliases

arxiv: 1104.5008 · arxiv_version: 1104.5008v2 · doi: 10.48550/arxiv.1104.5008 · pith_short_12: F5NTJHJ64B3J · pith_short_16: F5NTJHJ64B3JRSU6 · pith_short_8: F5NTJHJ6

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/F5NTJHJ64B3JRSU6KQFPQ3HNR3 \
  | 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: 2f5b349d3ee07698ca9e540af86ced8edf39507dd985c88530f6533acac21a02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3492e94469255136346ecf3d9a625b3c64899b939547dc84750022aa5ab9f1d",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.OT",
    "submitted_at": "2011-04-26T19:58:26Z",
    "title_canon_sha256": "6d758640193def3f30e4de81d7fa119fda1598e01ff3dc6da3feae7f973ba862"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5008",
    "kind": "arxiv",
    "version": 2
  }
}