Pith Number

pith:UDCFPUR6

pith:2001:UDCFPUR66RZIW64MVUSUII2DQN

not attested not anchored not stored refs pending

Topological Equivalence of Linear Representations for Cyclic Groups, I & II

Erik K. Pedersen, Ian Hambleton

arxiv:math/0109036 v2 · 2001-09-05 · math.GT · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDCFPUR66RZIW64MVUSUII2DQN}

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	2026-05-18T03:34:00.578547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0c457d23ef4728b7b8cad25442343834a66f98df6cb881b2d044b3374fa8a6c

Aliases

arxiv: math/0109036 · arxiv_version: math/0109036v2 · doi: 10.48550/arxiv.math/0109036 · pith_short_12: UDCFPUR66RZI · pith_short_16: UDCFPUR66RZIW64M · pith_short_8: UDCFPUR6

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/UDCFPUR66RZIW64MVUSUII2DQN \
  | 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: a0c457d23ef4728b7b8cad25442343834a66f98df6cb881b2d044b3374fa8a6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c769df7d4b30b28dc8695d383dd0868e8db5f6c392aaa389cf94952c30aa0967",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2001-09-05T13:43:51Z",
    "title_canon_sha256": "8e4732d14a2ba61918abc0b204db550c7509985b326e3c5662dd75a453eadd00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0109036",
    "kind": "arxiv",
    "version": 2
  }
}