Pith Number

pith:UX73KMNC

pith:2026:UX73KMNCALXF7DA3UQKNO6JGQR

not attested not anchored not stored refs pending

Automorphisms of very general blow up

Supravat Sarkar

arxiv:2608.07983 v1 · 2026-08-08 · 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{UX73KMNCALXF7DA3UQKNO6JGQR}

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	2026-08-11T01:21:18.416882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5ffb531a202ee5f8c1ba414d7792684701e8cba1da64178ef83969fdf6fc9ff

Aliases

arxiv: 2608.07983 · arxiv_version: 2608.07983v1 · doi: 10.48550/arxiv.2608.07983 · pith_short_12: UX73KMNCALXF · pith_short_16: UX73KMNCALXF7DA3 · pith_short_8: UX73KMNC

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/UX73KMNCALXF7DA3UQKNO6JGQR \
  | 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: a5ffb531a202ee5f8c1ba414d7792684701e8cba1da64178ef83969fdf6fc9ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61fd5e2a46edbea8c02e8e301e368cd8f59385ae4ab273bdd62f54da43a6c33a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-08-08T07:37:26Z",
    "title_canon_sha256": "6f1651db3840c42bdb02540a0cebb6f8e7ce1c14c8f842477974679c90b13d03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07983",
    "kind": "arxiv",
    "version": 1
  }
}