Pith Number

pith:Q46BRJJU

pith:2019:Q46BRJJUEFOES64C34XOV2MG3B

not attested not anchored not stored refs pending

Sequential subspace optimization for recovering stored energy functions in hyperelastic materials from time-dependent data

Anne Wald, Rebecca Klein, Thomas Schuster

arxiv:1911.04855 v1 · 2019-11-12 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q46BRJJUEFOES64C34XOV2MG3B}

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	2026-07-05T00:18:45.680078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

873c18a534215c497b82df2eeae986d850b50f90ea6a2262ea02a2f5dd460079

Aliases

arxiv: 1911.04855 · arxiv_version: 1911.04855v1 · doi: 10.48550/arxiv.1911.04855 · pith_short_12: Q46BRJJUEFOE · pith_short_16: Q46BRJJUEFOES64C · pith_short_8: Q46BRJJU

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/Q46BRJJUEFOES64C34XOV2MG3B \
  | 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: 873c18a534215c497b82df2eeae986d850b50f90ea6a2262ea02a2f5dd460079

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1faac3f35619fda033162f090620979996f05634ab189ca49353313f840328b3",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-11-12T13:56:50Z",
    "title_canon_sha256": "f133b8229002b89657f29acd94b985f1618ad67275f9a8d5ef902cd3580f654c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.04855",
    "kind": "arxiv",
    "version": 1
  }
}