Pith Number

pith:MACC2HPS

pith:2015:MACC2HPSSXVU5UWZ2USENMSCB7

not attested not anchored not stored refs pending

A Note on Injectivity of Frobenius on Local Cohomology of Hypersurfaces

Eric Canton

arxiv:1502.03184 v1 · 2015-02-11 · 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{MACC2HPSSXVU5UWZ2USENMSCB7}

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	2026-05-18T02:27:20.300603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60042d1df295eb4ed2d9d52446b2420ff90f6af684c0eafbdd162450913cc029

Aliases

arxiv: 1502.03184 · arxiv_version: 1502.03184v1 · doi: 10.48550/arxiv.1502.03184 · pith_short_12: MACC2HPSSXVU · pith_short_16: MACC2HPSSXVU5UWZ · pith_short_8: MACC2HPS

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/MACC2HPSSXVU5UWZ2USENMSCB7 \
  | 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: 60042d1df295eb4ed2d9d52446b2420ff90f6af684c0eafbdd162450913cc029

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c342c17764f8e64633c30dbf8986e1dc747a349bf9fe7d6ef2f88d51070e3022",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2015-02-11T02:57:21Z",
    "title_canon_sha256": "b026e3f7edb3760a53ea5dec725ce5b3c3356bd73692c5adfd321aa4cddbb347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03184",
    "kind": "arxiv",
    "version": 1
  }
}