Pith Number

pith:7YQI5SKX

pith:2024:7YQI5SKXHTRN3TG5CEHTA7V2VC

not attested not anchored not stored refs pending

Tits construction and Rost invariant

Nikita Geldhauser, Victor Petrov

arxiv:2408.10969 v1 · 2024-08-20 · 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{7YQI5SKXHTRN3TG5CEHTA7V2VC}

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	2026-07-05T08:57:20.394873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe208ec9573ce2ddccdd110f307ebaa8a02e9a6f4b463fbc42296e14fd43a89c

Aliases

arxiv: 2408.10969 · arxiv_version: 2408.10969v1 · doi: 10.48550/arxiv.2408.10969 · pith_short_12: 7YQI5SKXHTRN · pith_short_16: 7YQI5SKXHTRN3TG5 · pith_short_8: 7YQI5SKX

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/7YQI5SKXHTRN3TG5CEHTA7V2VC \
  | 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: fe208ec9573ce2ddccdd110f307ebaa8a02e9a6f4b463fbc42296e14fd43a89c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3af4a037ec75b46194acd8222f82dcbdfb6c12c22959a74a86fe29877d4bc110",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-08-20T16:02:33Z",
    "title_canon_sha256": "ca46ca726a39a20add8cd9b31b0b8da5f9d3336cf276425b675a30833570d9f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.10969",
    "kind": "arxiv",
    "version": 1
  }
}