Pith Number

pith:6Q2ZPK7F

pith:2017:6Q2ZPK7FDPH7VIJEW46AOC5DYP

not attested not anchored not stored refs pending

Planck's radiation law, the light quantum, and the prehistory of indistinguishability in the teaching of quantum mechanics

Johannes Grebe-Ellis, Oliver Passon

arxiv:1703.05635 v1 · 2017-03-16 · physics.hist-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{6Q2ZPK7FDPH7VIJEW46AOC5DYP}

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	2026-05-18T00:48:33.748775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f43597abe51bcffaa124b73c070ba3c3d108dea63de4610a81dd438ac547abf2

Aliases

arxiv: 1703.05635 · arxiv_version: 1703.05635v1 · doi: 10.48550/arxiv.1703.05635 · pith_short_12: 6Q2ZPK7FDPH7 · pith_short_16: 6Q2ZPK7FDPH7VIJE · pith_short_8: 6Q2ZPK7F

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/6Q2ZPK7FDPH7VIJEW46AOC5DYP \
  | 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: f43597abe51bcffaa124b73c070ba3c3d108dea63de4610a81dd438ac547abf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b8426d675fbc05e642539d7bab80b42b4b6d0efe2e576387993b5ac6ea75492",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2017-03-16T14:23:47Z",
    "title_canon_sha256": "5a727f8b6fdff86e9773389d6d35858cd2e37aca8dcf9a03c5071c3a72ab0484"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05635",
    "kind": "arxiv",
    "version": 1
  }
}