Pith Number

pith:NDYWXPJZ

pith:2017:NDYWXPJZKUDAL42CMIFT2SYR7S

not attested not anchored not stored refs pending

An obstacle problem for conical deformations of thin elastic sheets

Alessio Figalli, Connor Mooney

arxiv:1707.02940 v1 · 2017-07-10 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDYWXPJZKUDAL42CMIFT2SYR7S}

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	2026-05-18T00:28:55.118640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68f16bbd39550605f342620b3d4b11fcb85413852a85ed2641a8427db5d7d6c8

Aliases

arxiv: 1707.02940 · arxiv_version: 1707.02940v1 · doi: 10.48550/arxiv.1707.02940 · pith_short_12: NDYWXPJZKUDA · pith_short_16: NDYWXPJZKUDAL42C · pith_short_8: NDYWXPJZ

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/NDYWXPJZKUDAL42CMIFT2SYR7S \
  | 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: 68f16bbd39550605f342620b3d4b11fcb85413852a85ed2641a8427db5d7d6c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fa67383de26b1ca9382191e208becdb914c6e644a755691168641d1f1738666",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-07-10T16:42:59Z",
    "title_canon_sha256": "15b68ca94ee5d1d3fa51719f1991092f25d4ba07336406b61d986f36b478dd8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02940",
    "kind": "arxiv",
    "version": 1
  }
}