Pith Number

pith:P7Y2H6M5

pith:2026:P7Y2H6M5K3S6GK2ZFVOZAVWNHL

not attested not anchored not stored refs pending

Polyconvexity does not imply true-stress-true-strain monotonicity in the incompressible three-dimensional case

Dominik K. Klein, Maximilian P. Wollner, Patrizio Neff

arxiv:2607.06568 v1 · 2026-06-10 · physics.class-ph · cond-mat.mtrl-sci · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7Y2H6M5K3S6GK2ZFVOZAVWNHL}

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	2026-07-09T00:19:18.862249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ff1a3f99d56e5e32b592d5d9056cd3aef89617cdfb7ef73887a690846739782

Aliases

arxiv: 2607.06568 · arxiv_version: 2607.06568v1 · doi: 10.48550/arxiv.2607.06568 · pith_short_12: P7Y2H6M5K3S6 · pith_short_16: P7Y2H6M5K3S6GK2Z · pith_short_8: P7Y2H6M5

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/P7Y2H6M5K3S6GK2ZFVOZAVWNHL \
  | 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: 7ff1a3f99d56e5e32b592d5d9056cd3aef89617cdfb7ef73887a690846739782

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc901fbcf7ece67a7401abe5d30a68d66f23135ca99744ffb695045899818553",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2026-06-10T16:33:07Z",
    "title_canon_sha256": "97309768e8232c6ccecf00b651d4ab74143b9306038a9614bfc6d83bd01092b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.06568",
    "kind": "arxiv",
    "version": 1
  }
}