Pith Number

pith:UWB3SGEB

pith:2011:UWB3SGEB4GBOI7TVXNW4FTIWEB

not attested not anchored not stored refs pending

Random Context and Semi-Conditional Insertion-Deletion Systems

Sergey Verlan, Sergiu Ivanov

arxiv:1112.5947 v1 · 2011-12-27 · cs.FL · cs.CC · cs.CL · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWB3SGEB4GBOI7TVXNW4FTIWEB}

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	2026-05-18T04:05:37.215210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a583b91881e182e47e75bb6dc2cd16205702a47682ed3477680e954ecb34638c

Aliases

arxiv: 1112.5947 · arxiv_version: 1112.5947v1 · doi: 10.48550/arxiv.1112.5947 · pith_short_12: UWB3SGEB4GBO · pith_short_16: UWB3SGEB4GBOI7TV · pith_short_8: UWB3SGEB

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/UWB3SGEB4GBOI7TVXNW4FTIWEB \
  | 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: a583b91881e182e47e75bb6dc2cd16205702a47682ed3477680e954ecb34638c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea89a6b03489560a91b78ddc0efd3b2953cb3e6dc329a6330fff74db92a14ecc",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CL",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2011-12-27T10:16:35Z",
    "title_canon_sha256": "bf1dda345e7f5b37f6ab17b697a4dd7c5056543363ff43955f40ad914a19aeb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5947",
    "kind": "arxiv",
    "version": 1
  }
}