Pith Number

pith:CKT62EXQ

pith:2025:CKT62EXQDHE7EBOOBCXD57EAQ6

not attested not anchored not stored refs pending

Signature maps from positive cones on algebras with involution

Thomas Unger, Vincent Astier

arxiv:2505.22178 v1 · 2025-05-28 · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKT62EXQDHE7EBOOBCXD57EAQ6}

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	2026-07-05T11:11:10.982097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a7ed12f019c9f205ce08ae3efc8087a0cb498e0650feffbb944278016765f5

Aliases

arxiv: 2505.22178 · arxiv_version: 2505.22178v1 · doi: 10.48550/arxiv.2505.22178 · pith_short_12: CKT62EXQDHE7 · pith_short_16: CKT62EXQDHE7EBOO · pith_short_8: CKT62EXQ

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/CKT62EXQDHE7EBOOBCXD57EAQ6 \
  | 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: 12a7ed12f019c9f205ce08ae3efc8087a0cb498e0650feffbb944278016765f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a6a8577eeec9c56ec24e4c4ce31f993f5e92542fe19fdc2a4d5f910f0dd2c83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2025-05-28T09:53:56Z",
    "title_canon_sha256": "53a8326a0c4015b35e69d0cc483266dc778cca530b2f5a80914127c31e083e1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22178",
    "kind": "arxiv",
    "version": 1
  }
}