Pith Number

pith:DTPOEYME

pith:2010:DTPOEYMEPFCEBJ4IS55MZPDWY2

not attested not anchored not stored refs pending

Trees, Amalgams and Calogero-Moser Spaces

Alimjon Eshmatov, Farkhod Eshmatov, Yuri Berest

arxiv:1010.5189 v1 · 2010-10-25 · math.QA · math.GR · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTPOEYMEPFCEBJ4IS55MZPDWY2}

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	2026-05-18T04:38:16.586706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cdee26184794440a788977accbc76c690c59d4a4a1681eec90b35053d2f5bc0

Aliases

arxiv: 1010.5189 · arxiv_version: 1010.5189v1 · doi: 10.48550/arxiv.1010.5189 · pith_short_12: DTPOEYMEPFCE · pith_short_16: DTPOEYMEPFCEBJ4I · pith_short_8: DTPOEYME

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/DTPOEYMEPFCEBJ4IS55MZPDWY2 \
  | 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: 1cdee26184794440a788977accbc76c690c59d4a4a1681eec90b35053d2f5bc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a39307eff02edc39981c5d989a5a07a14faed29a62b73c7faf1330dc66f43248",
    "cross_cats_sorted": [
      "math.GR",
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2010-10-25T17:04:57Z",
    "title_canon_sha256": "00c2b7ecc2990465f721329fc4dab29f528ac6b192b35c400f3c067ab806fc6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5189",
    "kind": "arxiv",
    "version": 1
  }
}