pith. sign in
Pith Number

pith:NXABRA7L

pith:2007:NXABRA7LNW65EOF2VYZEXYUTSH
not attested not anchored not stored refs pending

Interactive Small-Step Algorithms II: Abstract State Machines and the<br> Characterization Theorem

Andreas Blass, Benjamin Rossman, Dean Rosenzweig, Yuri Gurevich

arxiv:0707.3789 v2 · 2007-07-25 · cs.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NXABRA7LNW65EOF2VYZEXYUTSH}

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 2026-05-18T01:37:42.666923Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6dc01883eb6dbdd238baae324be29391f6523a73161caa7d906f800902950e69

Aliases

arxiv: 0707.3789 · arxiv_version: 0707.3789v2 · doi: 10.48550/arxiv.0707.3789 · pith_short_12: NXABRA7LNW65 · pith_short_16: NXABRA7LNW65EOF2 · pith_short_8: NXABRA7L
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NXABRA7LNW65EOF2VYZEXYUTSH \
  | 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: 6dc01883eb6dbdd238baae324be29391f6523a73161caa7d906f800902950e69
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ada4c8b6099c7581a96ba016d94c05369274d3f09e5be7f2a845cb1672a3d543",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2007-07-25T17:35:46Z",
    "title_canon_sha256": "97d095698a56e928c576313a18e7fd30337305fe2e062c0a18b09c35019467d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.3789",
    "kind": "arxiv",
    "version": 2
  }
}