Pith Number

pith:J7W4MNRZ

pith:2010:J7W4MNRZ3LN2LNV5A7IUTTG47B

not attested not anchored not stored refs pending

The Vibrations Of A Beam With A Local Unilateral Elastic Contact

B. Rousselet (JAD), H. Hazim (JAD), Neil Ferguson

arxiv:1002.2901 v1 · 2010-02-15 · physics.class-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{J7W4MNRZ3LN2LNV5A7IUTTG47B}

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	2026-07-04T17:21:47.749242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fedc63639dadba5b6bd07d149ccdcf87fb757187ac3f33113195a202f01ff5a

Aliases

arxiv: 1002.2901 · arxiv_version: 1002.2901v1 · doi: 10.48550/arxiv.1002.2901 · pith_short_12: J7W4MNRZ3LN2 · pith_short_16: J7W4MNRZ3LN2LNV5 · pith_short_8: J7W4MNRZ

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/J7W4MNRZ3LN2LNV5A7IUTTG47B \
  | 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: 4fedc63639dadba5b6bd07d149ccdcf87fb757187ac3f33113195a202f01ff5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2d10333c14f3b205c7dcb37730219cbe3243312a188d317eaa9f489fbbbc0ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2010-02-15T16:00:21Z",
    "title_canon_sha256": "f95be6ec3b2072e6700176f2dab2f5766ec88a0937dbcbbd9198193dada1675f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2901",
    "kind": "arxiv",
    "version": 1
  }
}