Pith Number

pith:3HUY4JBX

pith:2025:3HUY4JBXVOKV5E5OLTQU45ZG4U

not attested not anchored not stored refs pending

Identifiability through special linear measurements

Alexandros Grosdos, Andr\'e Uschmajew, Fulvio Gesmundo

arxiv:2505.24328 v1 · 2025-05-30 · math.AG · cs.IT · cs.NA · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3HUY4JBXVOKV5E5OLTQU45ZG4U}

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	2026-07-05T11:12:46.941038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9e98e2437ab955e93ae5ce14e7726e5193b9243f661439d8bd17fe9b78b1937

Aliases

arxiv: 2505.24328 · arxiv_version: 2505.24328v1 · doi: 10.48550/arxiv.2505.24328 · pith_short_12: 3HUY4JBXVOKV · pith_short_16: 3HUY4JBXVOKV5E5O · pith_short_8: 3HUY4JBX

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/3HUY4JBXVOKV5E5OLTQU45ZG4U \
  | 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: d9e98e2437ab955e93ae5ce14e7726e5193b9243f661439d8bd17fe9b78b1937

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8946a6066620b5c7654660f7396085473e2589364ae9fef47eedc146181400f2",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NA",
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-05-30T08:09:55Z",
    "title_canon_sha256": "b2462385f7e6e6643ab10cecbc114b6e6c2046decc6f24f61d5da5e4cc80baa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24328",
    "kind": "arxiv",
    "version": 1
  }
}