Pith Number

pith:SG7JEC3C

pith:2018:SG7JEC3CHVVCRJI5QJ7UAIVUZT

not attested not anchored not stored refs pending

Strength and Hartshorne's Conjecture in high degree

Andrew Snowden, Daniel Erman, Steven V Sam

arxiv:1804.09730 v2 · 2018-04-25 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SG7JEC3CHVVCRJI5QJ7UAIVUZT}

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	2026-07-05T02:32:43.175739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91be920b623d6a28a51d827f4022b4cccd237e825b9c09f8aea04bf6494e17df

Aliases

arxiv: 1804.09730 · arxiv_version: 1804.09730v2 · doi: 10.48550/arxiv.1804.09730 · pith_short_12: SG7JEC3CHVVC · pith_short_16: SG7JEC3CHVVCRJI5 · pith_short_8: SG7JEC3C

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/SG7JEC3CHVVCRJI5QJ7UAIVUZT \
  | 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: 91be920b623d6a28a51d827f4022b4cccd237e825b9c09f8aea04bf6494e17df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "278df8a266bd82bba317ee6f344d09a1862abeb2f6ac43831b997dfb513f6ed7",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-04-25T18:00:27Z",
    "title_canon_sha256": "acd96564e9f6edf470ad9c4971e2827a415b46e7fc04f8e78ffb66d94cf74e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09730",
    "kind": "arxiv",
    "version": 2
  }
}