Pith Number

pith:O4PRKR2W

pith:2011:O4PRKR2W2NITLVPIJYKOF4EZSF

not attested not anchored not stored refs pending

On the exponential decay of the Euler-Bernoulli beam with boundary energy dissipation

Barbara Lazzari, Roberta Nibbi

arxiv:1104.2998 v1 · 2011-04-15 · math-ph · cs.SY · math.MP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4PRKR2W2NITLVPIJYKOF4EZSF}

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	2026-05-18T04:24:06.753532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771f154756d35135d5e84e14e2f0999152e7a10af7690a44cc994c0d7fb4559c

Aliases

arxiv: 1104.2998 · arxiv_version: 1104.2998v1 · doi: 10.48550/arxiv.1104.2998 · pith_short_12: O4PRKR2W2NIT · pith_short_16: O4PRKR2W2NITLVPI · pith_short_8: O4PRKR2W

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/O4PRKR2W2NITLVPIJYKOF4EZSF \
  | 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: 771f154756d35135d5e84e14e2f0999152e7a10af7690a44cc994c0d7fb4559c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e060dd38a5c3d3fc58e7ab9f7783bfd5da2aaea6dd5f704273d029ba2ad2efb4",
    "cross_cats_sorted": [
      "cs.SY",
      "math.MP",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-04-15T09:36:37Z",
    "title_canon_sha256": "a2e59eba7c93bb1f0973cef27ee54eefce7d771764a432af1b738a2e154d1767"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2998",
    "kind": "arxiv",
    "version": 1
  }
}