Pith Number

pith:6MEVUMK7

pith:2007:6MEVUMK74CPMVHKSH3EDY56JKR

not attested not anchored not stored refs pending

Floating Bodies of Equilibrium in 2D, the Tire Track Problem and Electrons in a Parabolic Magnetic Field

Franz J. Wegner

arxiv:physics/0701241 v3 · 2007-01-22 · physics.class-ph · physics.gen-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{6MEVUMK74CPMVHKSH3EDY56JKR}

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.

Cited by

1 paper in Pith

Rigidity in the Planar Ulam Floating Body Problem with perimetral density $\sigma=\tfrac16$

Receipt and verification

First computed	2026-05-18T04:08:35.253088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3095a315fe09eca9d523ec83c77c95443001b2c5fe9ceede18ac50dd18d38e6

Aliases

arxiv: physics/0701241 · arxiv_version: physics/0701241v3 · doi: 10.48550/arxiv.physics/0701241 · pith_short_12: 6MEVUMK74CPM · pith_short_16: 6MEVUMK74CPMVHKS · pith_short_8: 6MEVUMK7

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/6MEVUMK74CPMVHKSH3EDY56JKR \
  | 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: f3095a315fe09eca9d523ec83c77c95443001b2c5fe9ceede18ac50dd18d38e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9d4d7bf4c828916fb46c76e16203203723c1dd6c9dfda0b1afb209770860742",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2007-01-22T10:21:27Z",
    "title_canon_sha256": "b46cc54f0b7dfe296877e5b492940a659a2236790bd6faff9f89f3501711cb20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0701241",
    "kind": "arxiv",
    "version": 3
  }
}