Pith Number

pith:7JU3UDGH

pith:2013:7JU3UDGH6SPY32Y5S6QXZFBGHM

not attested not anchored not stored refs pending

Friction as Contrast Mechanism in Heterodyne Force Microscopy

G.J. Verbiest, M.J. Rost, T.H. Oosterkamp

arxiv:1307.1292 v2 · 2013-07-04 · cond-mat.mtrl-sci · cond-mat.mes-hall · 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{7JU3UDGH6SPY32Y5S6QXZFBGHM}

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	2026-05-18T00:46:26.623821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa69ba0cc7f49f8deb1d97a17c94263b14d5bedebca366f19ac8009806895049

Aliases

arxiv: 1307.1292 · arxiv_version: 1307.1292v2 · doi: 10.48550/arxiv.1307.1292 · pith_short_12: 7JU3UDGH6SPY · pith_short_16: 7JU3UDGH6SPY32Y5 · pith_short_8: 7JU3UDGH

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/7JU3UDGH6SPY32Y5S6QXZFBGHM \
  | 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: fa69ba0cc7f49f8deb1d97a17c94263b14d5bedebca366f19ac8009806895049

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71ae3a28fb7b9b8fe2c8b80d4bb30c4e98c88df8b86ad8df7e14926f0c473539",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-07-04T12:09:01Z",
    "title_canon_sha256": "faadfa5f0eded0a50839bd7b34b8d52cc968bd856ff9027b924350ae5fe5e387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1292",
    "kind": "arxiv",
    "version": 2
  }
}