Pith Number

pith:PSZDMGY6

pith:2014:PSZDMGY6OBZDT6FK7CXGFR4WDO

not attested not anchored not stored refs pending

Scissors Congruence with Mixed Dimensions

Thomas G. Goodwillie

arxiv:1410.7120 v3 · 2014-10-27 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSZDMGY6OBZDT6FK7CXGFR4WDO}

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	2026-05-18T01:13:05.182764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cb2361b1e707239f8aaf8ae62c7961b8f7230ec215f4c4138fdbd5ec28ad184

Aliases

arxiv: 1410.7120 · arxiv_version: 1410.7120v3 · doi: 10.48550/arxiv.1410.7120 · pith_short_12: PSZDMGY6OBZD · pith_short_16: PSZDMGY6OBZDT6FK · pith_short_8: PSZDMGY6

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/PSZDMGY6OBZDT6FK7CXGFR4WDO \
  | 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: 7cb2361b1e707239f8aaf8ae62c7961b8f7230ec215f4c4138fdbd5ec28ad184

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a9410cf0bce0fcd795cf11b25e3d3806f53e97f1d84170c9771e7aa4d07ddf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-10-27T05:07:22Z",
    "title_canon_sha256": "78a79f059d8998cecaf1d1fa61c6de263335f5eef5cc2a23c22425c1666dc56c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7120",
    "kind": "arxiv",
    "version": 3
  }
}