Pith Number

pith:KELP2UAP

pith:2018:KELP2UAPN3BLB3WQXR32AF6V2P

not attested not anchored not stored refs pending

Time to Stop Telling Biophysics Students that Light is Primarily a Wave

Philip C. Nelson

arxiv:1809.07247 v1 · 2018-09-15 · 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{KELP2UAPN3BLB3WQXR32AF6V2P}

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	2026-05-18T00:05:20.285148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5116fd500f6ec2b0eed0bc77a017d5d3cb3f869d9615e5b4847432c70a6f407a

Aliases

arxiv: 1809.07247 · arxiv_version: 1809.07247v1 · doi: 10.48550/arxiv.1809.07247 · pith_short_12: KELP2UAPN3BL · pith_short_16: KELP2UAPN3BLB3WQ · pith_short_8: KELP2UAP

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/KELP2UAPN3BLB3WQXR32AF6V2P \
  | 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: 5116fd500f6ec2b0eed0bc77a017d5d3cb3f869d9615e5b4847432c70a6f407a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c3ec840692848288105e0e808c80851ca8ed273c768ee8dcceb9ce2bb89e06b",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.OT",
    "submitted_at": "2018-09-15T00:48:37Z",
    "title_canon_sha256": "8e75bb717a20610c32503397977da7583a447e1d5f0f233d32eb88f58013ec38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07247",
    "kind": "arxiv",
    "version": 1
  }
}