Pith Number

pith:PQQ2MUP5

pith:2025:PQQ2MUP5IFUY6H43VNYKKJV6LB

not attested not anchored not stored refs pending

Changing Bases with Pipe Dream Combinatorics

Anna Weigandt

arxiv:2506.07306 v1 · 2025-06-08 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQQ2MUP5IFUY6H43VNYKKJV6LB}

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.

Cited by

1 paper in Pith

Hybrid pipe dreams for the lower-upper scheme

Receipt and verification

First computed	2026-07-05T11:18:24.796062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c21a651fd41698f1f9bab70a526be58497cc1e9be5b738a80893aa6a69f780a

Aliases

arxiv: 2506.07306 · arxiv_version: 2506.07306v1 · doi: 10.48550/arxiv.2506.07306 · pith_short_12: PQQ2MUP5IFUY · pith_short_16: PQQ2MUP5IFUY6H43 · pith_short_8: PQQ2MUP5

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/PQQ2MUP5IFUY6H43VNYKKJV6LB \
  | 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: 7c21a651fd41698f1f9bab70a526be58497cc1e9be5b738a80893aa6a69f780a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5537dadcc8aeb625390eb2650c3a65ce51fc8943e840c1f3306587f590d51268",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-06-08T22:39:23Z",
    "title_canon_sha256": "37aaa2e93ddb83dba6cffdf9b1fee52c926bf7a9f5183030f74888e355ca20fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.07306",
    "kind": "arxiv",
    "version": 1
  }
}