Pith Number

pith:2DZ7M4LW

pith:2017:2DZ7M4LW724B4DH3CI7DCHTO2L

not attested not anchored not stored refs pending

Verification of the anecdote about Edwin Hubble and the Nobel Prize

Kohji Tsumura

arxiv:1705.10125 v1 · 2017-05-29 · 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{2DZ7M4LW724B4DH3CI7DCHTO2L}

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	2026-05-18T00:43:31.901573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0f3f67176feb81e0cfb123e311e6ed2d6d7edef3750a92931d80fd81226fad9

Aliases

arxiv: 1705.10125 · arxiv_version: 1705.10125v1 · doi: 10.48550/arxiv.1705.10125 · pith_short_12: 2DZ7M4LW724B · pith_short_16: 2DZ7M4LW724B4DH3 · pith_short_8: 2DZ7M4LW

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/2DZ7M4LW724B4DH3CI7DCHTO2L \
  | 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: d0f3f67176feb81e0cfb123e311e6ed2d6d7edef3750a92931d80fd81226fad9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60c1e3548381c4b742e33b06205debba6426513bed473fe82e4caab8bfbe2584",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2017-05-29T11:28:10Z",
    "title_canon_sha256": "ba0780114fce6dd01b0883a3c9464cb2d57911e2a9439c264394efe363c6756a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10125",
    "kind": "arxiv",
    "version": 1
  }
}