Pith Number

pith:TDC62TUY

pith:2006:TDC62TUY4EAMCFJZSI6CHGNRAI

not attested not anchored not stored refs pending

Combinatorial derived invariants for gentle algebras

Christof Geiss, Diana Avella-Alaminos

arxiv:math/0607348 v3 · 2006-07-14 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDC62TUY4EAMCFJZSI6CHGNRAI}

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	2026-05-17T23:52:09.612980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98c5ed4e98e100c11539923c2399b1021cca9a6b07717197e73487feceefdb4b

Aliases

arxiv: math/0607348 · arxiv_version: math/0607348v3 · doi: 10.48550/arxiv.math/0607348 · pith_short_12: TDC62TUY4EAM · pith_short_16: TDC62TUY4EAMCFJZ · pith_short_8: TDC62TUY

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/TDC62TUY4EAMCFJZSI6CHGNRAI \
  | 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: 98c5ed4e98e100c11539923c2399b1021cca9a6b07717197e73487feceefdb4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa53cf7c5e86efaf9144b828ab069abf440b0b207933644cd19592fd859539cc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.RT",
    "submitted_at": "2006-07-14T16:14:55Z",
    "title_canon_sha256": "e6b160a2bc450bd9b064ce7c5e3a453868e9ca0e4f5d8ace9c875dcb40cf8039"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0607348",
    "kind": "arxiv",
    "version": 3
  }
}