Pith Number

pith:J3JAQ5FA

pith:2025:J3JAQ5FAAPEKZ6JGJLJCS2442N

not attested not anchored not stored refs pending

The p-widths of $RP^2$

Jared Marx-Kuo

arxiv:2501.13311 v3 · 2025-01-23 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J3JAQ5FAAPEKZ6JGJLJCS2442N}

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	2026-07-05T10:13:46.503148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ed20874a003c8acf9264ad2296b9cd347b8ab80826ad454c3147b3eee327aca

Aliases

arxiv: 2501.13311 · arxiv_version: 2501.13311v3 · doi: 10.48550/arxiv.2501.13311 · pith_short_12: J3JAQ5FAAPEK · pith_short_16: J3JAQ5FAAPEKZ6JG · pith_short_8: J3JAQ5FA

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/J3JAQ5FAAPEKZ6JGJLJCS2442N \
  | 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: 4ed20874a003c8acf9264ad2296b9cd347b8ab80826ad454c3147b3eee327aca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73ee2b3a74df9e455ea0a1d3eac44ff1df5d7bd8c3311b5bc92ccc0f107b9181",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-01-23T01:40:30Z",
    "title_canon_sha256": "551e158218d229ababc227acd0183f30f8592233029ffacb42462f8775bc3c11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13311",
    "kind": "arxiv",
    "version": 3
  }
}