Pith Number

pith:B3AR72SW

pith:2011:B3AR72SWTJBGZ4NFXM6TZO7CXV

not attested not anchored not stored refs pending

Compact USB-based Instruments for Education and Remote Laboratory Projects

Gergely Vadai, Janos Mellar, Robert Mingesz, Zoltan gingl

arxiv:1108.2155 v1 · 2011-08-10 · physics.ed-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B3AR72SWTJBGZ4NFXM6TZO7CXV}

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	2026-05-18T04:15:49.237701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ec11fea569a426cf1a5bb3d3cbbe2bd7a926fa76250c19d3179fd8daef1a49b

Aliases

arxiv: 1108.2155 · arxiv_version: 1108.2155v1 · doi: 10.48550/arxiv.1108.2155 · pith_short_12: B3AR72SWTJBG · pith_short_16: B3AR72SWTJBGZ4NF · pith_short_8: B3AR72SW

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/B3AR72SWTJBGZ4NFXM6TZO7CXV \
  | 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: 0ec11fea569a426cf1a5bb3d3cbbe2bd7a926fa76250c19d3179fd8daef1a49b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4a47bfbbf7e32e2b3991f2b254fc293d62b18ad60d0432dc7b4139b7763610a",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2011-08-10T11:34:51Z",
    "title_canon_sha256": "873af149f9a73e854e9800f3e70d2a6d42479e107052f36ababb206353942d99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2155",
    "kind": "arxiv",
    "version": 1
  }
}