Pith Number

pith:YZI3G345

pith:2011:YZI3G345SMCR3FZ5AXIQO5RCDF

not attested not anchored not stored refs pending

Weil Restriction and the Quot scheme

Roy Mikael Skjelnes

arxiv:1111.4814 v2 · 2011-11-21 · 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{YZI3G345SMCR3FZ5AXIQO5RCDF}

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	2026-05-18T03:43:40.444704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c651b36f9d93051d973d05d1077622196822da339873ec8f192584e485cdeec7

Aliases

arxiv: 1111.4814 · arxiv_version: 1111.4814v2 · doi: 10.48550/arxiv.1111.4814 · pith_short_12: YZI3G345SMCR · pith_short_16: YZI3G345SMCR3FZ5 · pith_short_8: YZI3G345

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/YZI3G345SMCR3FZ5AXIQO5RCDF \
  | 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: c651b36f9d93051d973d05d1077622196822da339873ec8f192584e485cdeec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8f90cb77fc7427b29d3e307db8ba2ab0e9381837cfe6dd80c40749544dc0ffb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-11-21T10:31:18Z",
    "title_canon_sha256": "67209f029043b02f000f70e5467210ff4f0f56d3e245212114756410893f4b83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4814",
    "kind": "arxiv",
    "version": 2
  }
}