Pith Number

pith:MFZAA22I

pith:2018:MFZAA22IR7JDC3XAS5FWA6KKMB

not attested not anchored not stored refs pending

What we cannot learn from analogue experiments

Christian Wuthrich, Karen Crowther, Niels Linnemann

arxiv:1811.03859 v2 · 2018-11-09 · physics.hist-ph · 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{MFZAA22IR7JDC3XAS5FWA6KKMB}

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	2026-05-17T23:49:56.891436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6172006b488fd2316ee0974b60794a6053e823cfa100b8963624b8a0caafdb84

Aliases

arxiv: 1811.03859 · arxiv_version: 1811.03859v2 · doi: 10.48550/arxiv.1811.03859 · pith_short_12: MFZAA22IR7JD · pith_short_16: MFZAA22IR7JDC3XA · pith_short_8: MFZAA22I

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/MFZAA22IR7JDC3XAS5FWA6KKMB \
  | 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: 6172006b488fd2316ee0974b60794a6053e823cfa100b8963624b8a0caafdb84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "589acadea8a75d5be1a418990669588b42bbe71c0d40decdf278eca6119b501b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-11-09T10:59:30Z",
    "title_canon_sha256": "fc000a9aa7a11ed1720559776315815d3400b5d93a79e6f734db00e2688fa710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03859",
    "kind": "arxiv",
    "version": 2
  }
}