Pith Number

pith:Y2DDCS7G

pith:2017:Y2DDCS7GGPM43G6UHGO7WGGKKC

not attested not anchored not stored refs pending

A variational principle for problems with a hint of convexity

Abbas Moameni

arxiv:1705.08348 v1 · 2017-05-23 · 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{Y2DDCS7GGPM43G6UHGO7WGGKKC}

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	2026-05-18T00:43:48.492559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c686314be633d9cd9bd4399dfb18ca50a8d37e09770fe43cfb3050f7ccfd786e

Aliases

arxiv: 1705.08348 · arxiv_version: 1705.08348v1 · doi: 10.48550/arxiv.1705.08348 · pith_short_12: Y2DDCS7GGPM4 · pith_short_16: Y2DDCS7GGPM43G6U · pith_short_8: Y2DDCS7G

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/Y2DDCS7GGPM43G6UHGO7WGGKKC \
  | 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: c686314be633d9cd9bd4399dfb18ca50a8d37e09770fe43cfb3050f7ccfd786e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8734786fe2b18ff8eb93c7ddd691926254ea7ae95c86498cc765fd9cffc35c32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-05-23T15:06:53Z",
    "title_canon_sha256": "520ec5c40902573eff726a448a764e48d6986917604b06b3bc32ef1ba8234afb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08348",
    "kind": "arxiv",
    "version": 1
  }
}