Pith Number

pith:UQFGOVHB

pith:2011:UQFGOVHBQOG46WGL4NW76LJZO5

not attested not anchored not stored refs pending

Applying Algebraic Specifications on Digital Right Management Systems

Katerina Ksystra, Nikolaos Triantafyllou, Panayiotis Frangos, Petros Stefaneas

arxiv:1108.1482 v1 · 2011-08-06 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQFGOVHBQOG46WGL4NW76LJZO5}

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	2026-05-18T04:16:00.942573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a40a6754e1838dcf58cbe36dff2d39777ee397cf538ca61fe45ae297ac987b0a

Aliases

arxiv: 1108.1482 · arxiv_version: 1108.1482v1 · doi: 10.48550/arxiv.1108.1482 · pith_short_12: UQFGOVHBQOG4 · pith_short_16: UQFGOVHBQOG46WGL · pith_short_8: UQFGOVHB

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/UQFGOVHBQOG46WGL4NW76LJZO5 \
  | 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: a40a6754e1838dcf58cbe36dff2d39777ee397cf538ca61fe45ae297ac987b0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e75e083e03199389c22a42fc2a3a131cf3782bf25d4cefccf22349b8e2f8aed2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-08-06T13:54:17Z",
    "title_canon_sha256": "d48e479a24ddb6f412f947eb500c0fd14fbeb362da99f944bcd26139e57c80a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1482",
    "kind": "arxiv",
    "version": 1
  }
}