Pith Number

pith:ANYQHHPM

pith:2014:ANYQHHPMS4RKNXCUV7XIOOHC55

not attested not anchored not stored refs pending

The elastica problem under area constraint

Bernd Kawohl, Carlo Nitsch, Vincenzo Ferone

arxiv:1411.6100 v2 · 2014-11-22 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ANYQHHPMS4RKNXCUV7XIOOHC55}

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	2026-05-18T02:29:38.497790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0371039dec9722a6dc54afee8738e2ef7f50b05c39de382be2dab49925ffb09e

Aliases

arxiv: 1411.6100 · arxiv_version: 1411.6100v2 · doi: 10.48550/arxiv.1411.6100 · pith_short_12: ANYQHHPMS4RK · pith_short_16: ANYQHHPMS4RKNXCU · pith_short_8: ANYQHHPM

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/ANYQHHPMS4RKNXCUV7XIOOHC55 \
  | 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: 0371039dec9722a6dc54afee8738e2ef7f50b05c39de382be2dab49925ffb09e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65b4f77d7f8d49c0bed874954c145afba0375be7f029d38b77eb206b2cf932cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-11-22T08:41:21Z",
    "title_canon_sha256": "e1f74b8fcfbdf0a7400cbeb9208f7305f6c0348b76c2ba5ec8383305a372de6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6100",
    "kind": "arxiv",
    "version": 2
  }
}