Pith Number

pith:RJPKMNUW

pith:2017:RJPKMNUW2STMGG7V5LO7HTOUOR

not attested not anchored not stored refs pending

Branching Structures in Elastic Shape Optimization

Martin Rumpf, Nora L\"uthen, Orestis Vantzos, Sascha T\"olkes

arxiv:1711.03850 v1 · 2017-11-10 · math.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{RJPKMNUW2STMGG7V5LO7HTOUOR}

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	2026-05-18T00:30:51.289250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a5ea63696d4a6c31bf5eaddf3cdd4745bf56377794398245cf2d3763c04a272

Aliases

arxiv: 1711.03850 · arxiv_version: 1711.03850v1 · doi: 10.48550/arxiv.1711.03850 · pith_short_12: RJPKMNUW2STM · pith_short_16: RJPKMNUW2STMGG7V · pith_short_8: RJPKMNUW

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/RJPKMNUW2STMGG7V5LO7HTOUOR \
  | 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: 8a5ea63696d4a6c31bf5eaddf3cdd4745bf56377794398245cf2d3763c04a272

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2413634c5043b8d8c87d9057a06b944e3bd05db93fb1750f204a64d49172cc66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-10T15:03:46Z",
    "title_canon_sha256": "ff958025fae0224581c20506b627e8ca3af0d1e9d27ea41fe4807b458eae3298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03850",
    "kind": "arxiv",
    "version": 1
  }
}