Pith Number

pith:IVCARPJF

pith:2009:IVCARPJF7EKY447TCNMBD5DXTP

not attested not anchored not stored refs pending

Representations of Stream Processors Using Nested Fixed Points

Dirk Pattinson, Neil Ghani, Peter Hancock

arxiv:0905.4813 v2 · 2009-05-29 · cs.DS · 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{IVCARPJF7EKY447TCNMBD5DXTP}

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	2026-05-18T01:37:40.385961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

454408bd25f9158e73f3135811f4779be9189eb51cc9925425ecc01402489d9e

Aliases

arxiv: 0905.4813 · arxiv_version: 0905.4813v2 · doi: 10.48550/arxiv.0905.4813 · pith_short_12: IVCARPJF7EKY · pith_short_16: IVCARPJF7EKY447T · pith_short_8: IVCARPJF

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/IVCARPJF7EKY447TCNMBD5DXTP \
  | 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: 454408bd25f9158e73f3135811f4779be9189eb51cc9925425ecc01402489d9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0135779d8196975fdecb23012af62cb59b200f27d58436debb35252c0fb41154",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2009-05-29T09:40:23Z",
    "title_canon_sha256": "9a2bf30599a17957af34bacd9d2f514635ffa9892a162b2dd5fd565a7f794e42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4813",
    "kind": "arxiv",
    "version": 2
  }
}