Pith Number

pith:SZTRK3NX

pith:2012:SZTRK3NXRI5QUGZFOU4X4342CY

not attested not anchored not stored refs pending

Corrigendum to "Intersection homology with field coefficients: K-Witt spaces and K-Witt bordism"

Greg Friedman

arxiv:1208.4643 v1 · 2012-08-22 · 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{SZTRK3NXRI5QUGZFOU4X4342CY}

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	2026-05-18T03:07:32.006992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9667156db78a3b0a1b2575397e6f9a16054e5c04aef7b3d29c93e8beb1b9bfae

Aliases

arxiv: 1208.4643 · arxiv_version: 1208.4643v1 · doi: 10.48550/arxiv.1208.4643 · pith_short_12: SZTRK3NXRI5Q · pith_short_16: SZTRK3NXRI5QUGZF · pith_short_8: SZTRK3NX

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/SZTRK3NXRI5QUGZFOU4X4342CY \
  | 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: 9667156db78a3b0a1b2575397e6f9a16054e5c04aef7b3d29c93e8beb1b9bfae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a20071ac22f258f4d73b02728432d4217af772d010862b6c8ed05731c109cec",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-08-22T23:32:54Z",
    "title_canon_sha256": "3b94d7e89e8c101212927e1440d42c8d6bc5f833f16d88e9a2d30146090ec1ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4643",
    "kind": "arxiv",
    "version": 1
  }
}