Pith Number

pith:RPHSRUMX

pith:2010:RPHSRUMXTA32BNC2QZ3LFCVXUQ

not attested not anchored not stored refs pending

On Pasting and Reversing operations over some rings

Adriana Lorena Chuquen, Angela Mariette Rodriguez, Primitivo B. Acosta-Humanez

arxiv:1010.1967 v2 · 2010-10-10 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPHSRUMXTA32BNC2QZ3LFCVXUQ}

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	2026-05-18T04:30:13.809410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bcf28d1979837a0b45a8676b28ab7a439610919f3683101c3a64a3b95f4d6b5

Aliases

arxiv: 1010.1967 · arxiv_version: 1010.1967v2 · doi: 10.48550/arxiv.1010.1967 · pith_short_12: RPHSRUMXTA32 · pith_short_16: RPHSRUMXTA32BNC2 · pith_short_8: RPHSRUMX

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/RPHSRUMXTA32BNC2QZ3LFCVXUQ \
  | 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: 8bcf28d1979837a0b45a8676b28ab7a439610919f3683101c3a64a3b95f4d6b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea299a36bd0f6252753456a9098910f6761a20d57081ccf03eb820051b221cbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2010-10-10T21:32:36Z",
    "title_canon_sha256": "6047778a95f35a744a164776a9e8eebf01fffbd76e4136c5870a5a04978e61b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1967",
    "kind": "arxiv",
    "version": 2
  }
}