Pith Number

pith:74KZ7Z5Z

pith:2020:74KZ7Z5ZVMYHHOONYPJD7EB4UB

not attested not anchored not stored refs pending

On the high-dimensional geography problem

Andrew Senger, Robert Burklund

arxiv:2007.05127 v1 · 2020-07-10 · math.AT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{74KZ7Z5ZVMYHHOONYPJD7EB4UB}

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	2026-07-05T09:55:28.919550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff159fe7b9ab3073b9cdc3d23f903ca0565eaf8444651a1ce031986060794556

Aliases

arxiv: 2007.05127 · arxiv_version: 2007.05127v1 · doi: 10.48550/arxiv.2007.05127 · pith_short_12: 74KZ7Z5ZVMYH · pith_short_16: 74KZ7Z5ZVMYHHOON · pith_short_8: 74KZ7Z5Z

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/74KZ7Z5ZVMYHHOONYPJD7EB4UB \
  | 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: ff159fe7b9ab3073b9cdc3d23f903ca0565eaf8444651a1ce031986060794556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "544599e4589655abee7cf1f25ab1d28c4f80e2e65450b8ff110c1c933f59de79",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2020-07-10T00:58:47Z",
    "title_canon_sha256": "2c3d7b232b7125a9f8acefe63b1c31e90137e320869b574f8a7fcb53effcd5c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.05127",
    "kind": "arxiv",
    "version": 1
  }
}