Pith Number

pith:BFDQMOFB

pith:2019:BFDQMOFBXT4OTSBBVRSTTGOHSG

not attested not anchored not stored refs pending

Rees algebras of additive group actions

Adrien Dubouloz (IMB), Isac Hed\'en, Takashi Kishimoto

arxiv:1906.11016 v1 · 2019-06-26 · 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{BFDQMOFBXT4OTSBBVRSTTGOHSG}

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	2026-05-17T23:42:10.237161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09470638a1bcf8e9c821ac653999c791a22ad93ba1d7ac5f4eca244ffa0bb441

Aliases

arxiv: 1906.11016 · arxiv_version: 1906.11016v1 · doi: 10.48550/arxiv.1906.11016 · pith_short_12: BFDQMOFBXT4O · pith_short_16: BFDQMOFBXT4OTSBB · pith_short_8: BFDQMOFB

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/BFDQMOFBXT4OTSBBVRSTTGOHSG \
  | 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: 09470638a1bcf8e9c821ac653999c791a22ad93ba1d7ac5f4eca244ffa0bb441

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcbb014948223cdb1cbff4245805eeb9873af04cfacf8b474c745970ab3f80bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-06-26T12:17:25Z",
    "title_canon_sha256": "9a28fef7ce090343e71e792f93f74960a56ebc1238c33a8b657e6835526e88ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11016",
    "kind": "arxiv",
    "version": 1
  }
}