Pith Number

pith:Q5CDI7AE

pith:2018:Q5CDI7AECRZGZQE7JAHSHGJKKG

not attested not anchored not stored refs pending

On Comon's and Strassen's conjectures

Alex Casarotti, Alex Massarenti, Massimiliano Mella

arxiv:1810.09338 v1 · 2018-10-22 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5CDI7AECRZGZQE7JAHSHGJKKG}

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	2026-05-18T00:02:40.428824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8744347c0414726cc09f480f23992a51ae3fb3ee903f712ea46feda26e4103a5

Aliases

arxiv: 1810.09338 · arxiv_version: 1810.09338v1 · doi: 10.48550/arxiv.1810.09338 · pith_short_12: Q5CDI7AECRZG · pith_short_16: Q5CDI7AECRZGZQE7 · pith_short_8: Q5CDI7AE

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/Q5CDI7AECRZGZQE7JAHSHGJKKG \
  | 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: 8744347c0414726cc09f480f23992a51ae3fb3ee903f712ea46feda26e4103a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc4c5e756ef6d014768cdd3372f04a776497de3b2f2d89e4482c425444eb8edc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-10-22T15:02:05Z",
    "title_canon_sha256": "1488bc33e2689d6ff5ab4bcb8ca1b1b22177502071deb1fca7d7671a30a71676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09338",
    "kind": "arxiv",
    "version": 1
  }
}