Pith Number

pith:U6DQIM5Q

pith:2019:U6DQIM5QLTQOWZ7AUZSMAJMHPK

not attested not anchored not stored refs pending

Rate-independent evolution of sets

Marita Thomas, Riccarda Rossi, Ulisse Stefanelli

arxiv:1902.10749 v1 · 2019-02-27 · 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{U6DQIM5QLTQOWZ7AUZSMAJMHPK}

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	2026-05-17T23:52:29.812383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7870433b05ce0eb67e0a664c025877ab9cf3ba4ee9fd3ca874e49dea702277d

Aliases

arxiv: 1902.10749 · arxiv_version: 1902.10749v1 · doi: 10.48550/arxiv.1902.10749 · pith_short_12: U6DQIM5QLTQO · pith_short_16: U6DQIM5QLTQOWZ7A · pith_short_8: U6DQIM5Q

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/U6DQIM5QLTQOWZ7AUZSMAJMHPK \
  | 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: a7870433b05ce0eb67e0a664c025877ab9cf3ba4ee9fd3ca874e49dea702277d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d582626fc4771b9ac2e936a95c1c9f638b08ca573b46914b1f7ab783f882dd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-02-27T19:37:08Z",
    "title_canon_sha256": "5af5189698507dd7c7aa3ca630de53681aedbb867885ea1d0fe21026feb420c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10749",
    "kind": "arxiv",
    "version": 1
  }
}