Pith Number

pith:BAZAOHG4

pith:2025:BAZAOHG4ITSOSTIWDIBELCYSG5

not attested not anchored not stored refs pending

Estimation of nanometer-thickness layer of 6B graphite: an experimental activity to study Ohm's law in higher education

Andr\'e Coelho da Silva, Bruno Fernando Gianelli, Douglas Mendes da Silva Del Duque, Idelma Aparecida Alves Terra, Leonardo Geraldino da Silva, Murilo Antonio Menegati, Paulo Henrique Eleuterio Falsetti, Vagner Romito de Mendon\c{c}a

arxiv:2508.15789 v1 · 2025-08-11 · 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{BAZAOHG4ITSOSTIWDIBELCYSG5}

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	2026-06-04T01:09:38.155184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0832071cdc44e4e94d161a02458b12377302523c9b7179a486e74f9bbfcbeafd

Aliases

arxiv: 2508.15789 · arxiv_version: 2508.15789v1 · doi: 10.48550/arxiv.2508.15789 · pith_short_12: BAZAOHG4ITSO · pith_short_16: BAZAOHG4ITSOSTIW · pith_short_8: BAZAOHG4

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/BAZAOHG4ITSOSTIWDIBELCYSG5 \
  | 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: 0832071cdc44e4e94d161a02458b12377302523c9b7179a486e74f9bbfcbeafd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f1ab3b085f08ba16e5fdc64aa045d1f09b86e3626f526e827684f7121966cb1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2025-08-11T21:21:47Z",
    "title_canon_sha256": "408f8e92da42c9449cc0a884a65428557178ba8afffe9ae569140e66c401a22b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15789",
    "kind": "arxiv",
    "version": 1
  }
}