Pith Number

pith:A2M3GOXM

pith:2009:A2M3GOXMU4TICVOZRZELDGTPQL

not attested not anchored not stored refs pending

A computer controlled pendulum with position readout

H. Hauptfleisch, J. Schemmel, K. Meier, O. Nachtmann, T. Gasenzer

arxiv:0905.2015 v1 · 2009-05-13 · physics.pop-ph · physics.class-ph · physics.ed-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{A2M3GOXMU4TICVOZRZELDGTPQL}

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	2026-05-18T02:13:39.756935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0699b33aeca7268155d98e48b19a6f82de6b2ee0ad198c034dac82bf03740e17

Aliases

arxiv: 0905.2015 · arxiv_version: 0905.2015v1 · doi: 10.48550/arxiv.0905.2015 · pith_short_12: A2M3GOXMU4TI · pith_short_16: A2M3GOXMU4TICVOZ · pith_short_8: A2M3GOXM

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/A2M3GOXMU4TICVOZRZELDGTPQL \
  | 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: 0699b33aeca7268155d98e48b19a6f82de6b2ee0ad198c034dac82bf03740e17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f91816dae58fe9bd136f23aa9cac9ab7780f574f92693499089cbb9365820084",
    "cross_cats_sorted": [
      "physics.class-ph",
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2009-05-13T05:42:41Z",
    "title_canon_sha256": "080bdd20cf9fba1f140bee95eb04ec90b899f9338c983aebd3c17c4472cf3547"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2015",
    "kind": "arxiv",
    "version": 1
  }
}