Pith Number

pith:U43FRHKZ

pith:2015:U43FRHKZWLQEQYLOMODO7353XF

not attested not anchored not stored refs pending

Sagging Ropes Demonstrate the Transversality Conditions of Variational Problems

Alexander Kazachkov, Edward Bormashenko, Evgeny Shulzinger, Gene Whyman, Roman Grynyov, Yelena Bormashenko

arxiv:1609.01754 v1 · 2015-11-30 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U43FRHKZWLQEQYLOMODO7353XF}

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	2026-05-18T01:04:10.011912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a736589d59b2e048616e6386efefbbb96e0f211d1d7f6020324495ab171b505e

Aliases

arxiv: 1609.01754 · arxiv_version: 1609.01754v1 · doi: 10.48550/arxiv.1609.01754 · pith_short_12: U43FRHKZWLQE · pith_short_16: U43FRHKZWLQEQYLO · pith_short_8: U43FRHKZ

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/U43FRHKZWLQEQYLOMODO7353XF \
  | 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: a736589d59b2e048616e6386efefbbb96e0f211d1d7f6020324495ab171b505e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "169c36b98d2f5ede1a942b62908f8c33378c5327ce727c81c8bac8c0804b4911",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2015-11-30T20:59:16Z",
    "title_canon_sha256": "fcfa63a3f610b81abb833708dc4c6d4ddf98035badfb43c10681f33e9f027fc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01754",
    "kind": "arxiv",
    "version": 1
  }
}