Pith Number

pith:QMJDQA7T

pith:2018:QMJDQA7TSPU6B4HDLRQWJJ22IE

not attested not anchored not stored refs pending

Interrogating the legend of Einstein's "Biggest Blunder"

Cormac O'Raifeartaigh, Simon Mitton

arxiv:1804.06768 v2 · 2018-04-18 · physics.hist-ph · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMJDQA7TSPU6B4HDLRQWJJ22IE}

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	2026-05-17T23:52:07.820864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83123803f393e9e0f0e35c6164a75a41152c84fedad7d83178e0c7bdf9620a05

Aliases

arxiv: 1804.06768 · arxiv_version: 1804.06768v2 · doi: 10.48550/arxiv.1804.06768 · pith_short_12: QMJDQA7TSPU6 · pith_short_16: QMJDQA7TSPU6B4HD · pith_short_8: QMJDQA7T

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/QMJDQA7TSPU6B4HDLRQWJJ22IE \
  | 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: 83123803f393e9e0f0e35c6164a75a41152c84fedad7d83178e0c7bdf9620a05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bba9b949e28849cea6bc5ced2c26c67837de8951f3565539a5bdf7cb2624d9f",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-04-18T14:47:21Z",
    "title_canon_sha256": "8c126f5c77867bbfdbdca33ce5e1c64901b1ed54d199e49518d93a6d8cbe8cdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06768",
    "kind": "arxiv",
    "version": 2
  }
}