Pith Number

pith:5BD2I3L4

pith:2011:5BD2I3L4SEHBGOBBSDWT4URGVW

not attested not anchored not stored refs pending

Buckling of Spherical Capsules

Jan Kierfeld, Sebastian Knoche

arxiv:1108.3487 v2 · 2011-08-17 · cond-mat.soft · physics.chem-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{5BD2I3L4SEHBGOBBSDWT4URGVW}

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	2026-05-18T04:07:19.438056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e847a46d7c910e13382190ed3e5226adaec28e2ac1db4c8c5f619f0ad01bfad5

Aliases

arxiv: 1108.3487 · arxiv_version: 1108.3487v2 · doi: 10.48550/arxiv.1108.3487 · pith_short_12: 5BD2I3L4SEHB · pith_short_16: 5BD2I3L4SEHBGOBB · pith_short_8: 5BD2I3L4

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/5BD2I3L4SEHBGOBBSDWT4URGVW \
  | 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: e847a46d7c910e13382190ed3e5226adaec28e2ac1db4c8c5f619f0ad01bfad5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72bfd5d69709a5936c7b20f9bbeda15d13535fe9f3954297cf24f2f417728d42",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2011-08-17T14:18:21Z",
    "title_canon_sha256": "aee5f0eeb4770d10d338f2f2edc6ef4c62ef3ce66d9fd8e46678129c28b20a9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3487",
    "kind": "arxiv",
    "version": 2
  }
}