Pith Number

pith:Y73Q6OT4

pith:2021:Y73Q6OT476XXMM3WZDKCRCPRNC

not attested not anchored not stored refs pending

Slicing the hypercube is not easy

Amir Yehudayoff, Gal Yehuda

arxiv:2102.05536 v2 · 2021-02-10 · math.CO · cs.AI · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y73Q6OT476XXMM3WZDKCRCPRNC}

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	2026-07-05T02:16:02.099907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7f70f3a7cffaf763376c8d42889f168bc0694d0941671d5abf3b9770904c95e

Aliases

arxiv: 2102.05536 · arxiv_version: 2102.05536v2 · doi: 10.48550/arxiv.2102.05536 · pith_short_12: Y73Q6OT476XX · pith_short_16: Y73Q6OT476XXMM3W · pith_short_8: Y73Q6OT4

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/Y73Q6OT476XXMM3WZDKCRCPRNC \
  | 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: c7f70f3a7cffaf763376c8d42889f168bc0694d0941671d5abf3b9770904c95e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c61a54bdfa59eaaf2d62ee202dc70e9234672f5e5becd4f15dae4d42545877b4",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-02-10T16:24:37Z",
    "title_canon_sha256": "e6d412c9945cb88e33e4f03c17fb5ae0852b0ecf481c8120d9043d0aa7acf140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05536",
    "kind": "arxiv",
    "version": 2
  }
}