Pith Number

pith:26N24FNM

pith:2019:26N24FNM2GF23FM6GUAIUN6PSP

not attested not anchored not stored refs pending

Basic geometry of the affine group over Z

Daniele Mundici

arxiv:1902.00971 v1 · 2019-02-03 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{26N24FNM2GF23FM6GUAIUN6PSP}

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	2026-05-17T23:54:51.718743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d79bae15acd18bad959e35008a37cf93eb585b47759bd5a755808eab501181b6

Aliases

arxiv: 1902.00971 · arxiv_version: 1902.00971v1 · doi: 10.48550/arxiv.1902.00971 · pith_short_12: 26N24FNM2GF2 · pith_short_16: 26N24FNM2GF23FM6 · pith_short_8: 26N24FNM

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/26N24FNM2GF23FM6GUAIUN6PSP \
  | 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: d79bae15acd18bad959e35008a37cf93eb585b47759bd5a755808eab501181b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cf12ef48d457a37d2b9eae1da3fe166b2c921766ec007cdc0be2faff85a5b42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-02-03T21:35:05Z",
    "title_canon_sha256": "7ac45ee5aa0af92035c3ed702ea1720dc51c792247bc588858a06c591f94e68d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00971",
    "kind": "arxiv",
    "version": 1
  }
}