Pith Number

pith:URSTSQLM

pith:2007:URSTSQLMATFPKPTF3FN2IMUZ2K

not attested not anchored not stored refs pending

On isomorphism of simplicial complexes and their related algebras

Rashid Zaare-Nahandi

arxiv:math/0702618 v1 · 2007-02-21 · math.AC · 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{URSTSQLMATFPKPTF3FN2IMUZ2K}

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	2026-05-18T04:39:29.083292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a46539416c04caf53e65d95ba43299d2b5952262fc373ba3029b19ec945c3363

Aliases

arxiv: math/0702618 · arxiv_version: math/0702618v1 · doi: 10.48550/arxiv.math/0702618 · pith_short_12: URSTSQLMATFP · pith_short_16: URSTSQLMATFPKPTF · pith_short_8: URSTSQLM

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/URSTSQLMATFPKPTF3FN2IMUZ2K \
  | 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: a46539416c04caf53e65d95ba43299d2b5952262fc373ba3029b19ec945c3363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d4c4d85583babbe1bb761265b67a263bc91a39d62e567f977d64c1e31ecdcb2",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "",
    "primary_cat": "math.AC",
    "submitted_at": "2007-02-21T17:13:59Z",
    "title_canon_sha256": "8dbe8612959d453e49d0f0bbd6158f9160fd12c35981d63a6a76b553d6a8ec40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0702618",
    "kind": "arxiv",
    "version": 1
  }
}