Pith Number

pith:DM2DQIDU

pith:2026:DM2DQIDUSR222UZE34OAUVPGGQ

not attested not anchored not stored refs pending

A memorial tribute: Adriano Garsia (1928--2024)

Anders Bj\"orner, Angela Hicks, Arun Ram, Emily Sergel, Fran\c{c}ois Bergeron, Guoce Xin, H\'el\`ene Barcelo, Jennifer Morse, Luc Lapointe, Marino Romero, Mark Haiman, Michele D'Adderio, Michelle Wachs, Mike Zabrocki, Nantel Bergeron, Sara Billey, Tullio Ceccherini-Silberstein

arxiv:2607.14184 v1 · 2026-07-15 · math.HO · 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{DM2DQIDUSR222UZE34OAUVPGGQ}

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	2026-07-17T00:20:56.264701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b343820749475ad5324df1c0a55e6340c4a4e965dad81aa635f25753153b1c5

Aliases

arxiv: 2607.14184 · arxiv_version: 2607.14184v1 · doi: 10.48550/arxiv.2607.14184 · pith_short_12: DM2DQIDUSR22 · pith_short_16: DM2DQIDUSR222UZE · pith_short_8: DM2DQIDU

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/DM2DQIDUSR222UZE34OAUVPGGQ \
  | 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: 1b343820749475ad5324df1c0a55e6340c4a4e965dad81aa635f25753153b1c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "727cd2ae70a1abd4a7e5e88d571b3e6dffe2cbe8d778d224568492e119db1e2a",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2026-07-15T14:54:19Z",
    "title_canon_sha256": "4f4f4589daadddd4e41a7a7bb24cb30c372559acdee69ef9c4a27dc2464bd50f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14184",
    "kind": "arxiv",
    "version": 1
  }
}