Pith Number

pith:YK5QNL7J

pith:2016:YK5QNL7JIVZFXJAJXZEKZZZ65W

not attested not anchored not stored refs pending

IPA-deformations of functions on affine space

David B. Massey

arxiv:1606.06752 v1 · 2016-06-21 · 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{YK5QNL7JIVZFXJAJXZEKZZZ65W}

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	2026-05-18T01:12:01.179158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2bb06afe945725ba409be48ace73eedb2f1662fed9265a160f65d2b8b77db50

Aliases

arxiv: 1606.06752 · arxiv_version: 1606.06752v1 · doi: 10.48550/arxiv.1606.06752 · pith_short_12: YK5QNL7JIVZF · pith_short_16: YK5QNL7JIVZFXJAJ · pith_short_8: YK5QNL7J

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/YK5QNL7JIVZFXJAJXZEKZZZ65W \
  | 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: c2bb06afe945725ba409be48ace73eedb2f1662fed9265a160f65d2b8b77db50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04fe7b3cf4f13bb2046fe46dc1665dbf95359393e95e52be1eb138488eb8240a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-06-21T20:11:31Z",
    "title_canon_sha256": "08e47d69b5f84f6089d0847ea954c3b1772b61459c9dc87cf84c997ca83fdf70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06752",
    "kind": "arxiv",
    "version": 1
  }
}