Pith Number

pith:J2JXBWX2

pith:2011:J2JXBWX24CZA5VRAKACABGSR4B

not attested not anchored not stored refs pending

Collision of Viscoelastic Spheres: Compact Expressions for the Coefficient of Normal Restitution

Patric Mueller, Thorsten Poeschel

arxiv:1102.5247 v1 · 2011-02-25 · cond-mat.mtrl-sci · 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{J2JXBWX24CZA5VRAKACABGSR4B}

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	2026-05-18T02:03:04.795895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e9370dafae0b20ed6205004009a51e06d423870a219502003e100debe3cedda

Aliases

arxiv: 1102.5247 · arxiv_version: 1102.5247v1 · doi: 10.48550/arxiv.1102.5247 · pith_short_12: J2JXBWX24CZA · pith_short_16: J2JXBWX24CZA5VRA · pith_short_8: J2JXBWX2

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/J2JXBWX24CZA5VRAKACABGSR4B \
  | 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: 4e9370dafae0b20ed6205004009a51e06d423870a219502003e100debe3cedda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a01c7111642db4760f404a8e1dc7183e59684b4714bc1668e70f5bedaaef9d5",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-02-25T13:57:02Z",
    "title_canon_sha256": "fa8cd070c02f8df73887e834b82a6a55477af110d9f5e4e9bcecab985a646c01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5247",
    "kind": "arxiv",
    "version": 1
  }
}