Pith Number

pith:SAKQIHIT

pith:1996:SAKQIHITZSWY4XJPCIYZVWIYEC

not attested not anchored not stored refs pending

Habilitationsschrift: Renormalization and Knot Theory

Dirk Kreimer

arxiv:q-alg/9607022 v2 · 1996-07-17 · q-alg · hep-th · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAKQIHITZSWY4XJPCIYZVWIYEC}

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	2026-05-18T04:19:52.383422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9015041d13ccad8e5d2f12319ad918209bc560ea8b21a732974a0f24f637ea63

Aliases

arxiv: q-alg/9607022 · arxiv_version: q-alg/9607022v2 · doi: 10.48550/arxiv.q-alg/9607022 · pith_short_12: SAKQIHITZSWY · pith_short_16: SAKQIHITZSWY4XJP · pith_short_8: SAKQIHIT

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/SAKQIHITZSWY4XJPCIYZVWIYEC \
  | 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: 9015041d13ccad8e5d2f12319ad918209bc560ea8b21a732974a0f24f637ea63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98a469251b5c4d111df9a75bb28adbfa6f3be44e853b980c6fe5cd04db7c084f",
    "cross_cats_sorted": [
      "hep-th",
      "math.QA"
    ],
    "license": "",
    "primary_cat": "q-alg",
    "submitted_at": "1996-07-17T18:52:00Z",
    "title_canon_sha256": "999fad50e378bc0bc83a3b09a9e22f849d703334b4dd7351b45cbd8b89cebcde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-alg/9607022",
    "kind": "arxiv",
    "version": 2
  }
}