Pith Number

pith:OFRDOC6O

pith:2014:OFRDOC6OHDN4AB5XRDFGIJEO5J

not attested not anchored not stored refs pending

Is Bohr challenge still relevant?

Leonardo Chiatti

arxiv:1412.3447 v1 · 2014-12-11 · physics.gen-ph · 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{OFRDOC6OHDN4AB5XRDFGIJEO5J}

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	2026-05-18T02:31:36.553418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7162370bce38dbc007b788ca64248eea6ed25ae112126702726aaf986d42b752

Aliases

arxiv: 1412.3447 · arxiv_version: 1412.3447v1 · doi: 10.48550/arxiv.1412.3447 · pith_short_12: OFRDOC6OHDN4 · pith_short_16: OFRDOC6OHDN4AB5X · pith_short_8: OFRDOC6O

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/OFRDOC6OHDN4AB5XRDFGIJEO5J \
  | 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: 7162370bce38dbc007b788ca64248eea6ed25ae112126702726aaf986d42b752

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ca98195fc66b9460fd02e13e6d2bf34e06e695d4a35d7312737f9d5e427e871",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2014-12-11T15:33:24Z",
    "title_canon_sha256": "dd4484c720770782e75698826bb778da2476f5b287ba40255d98f6c4b11e1604"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3447",
    "kind": "arxiv",
    "version": 1
  }
}