Pith Number

pith:FZMNR4TK

pith:2011:FZMNR4TK7LLQLQXEHN5EDYUAAJ

not attested not anchored not stored refs pending

Implementing Equational Constraints in a Functional Language

Bernd Bra{\ss}el, Bj\"orn Peem\"oller, Fabian Reck, Michael Hanus

arxiv:1108.5609 v1 · 2011-08-29 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZMNR4TK7LLQLQXEHN5EDYUAAJ}

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	2026-05-18T04:14:37.154334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e58d8f26afad705c2e43b7a41e28002550e3e2f94c0d731b1b021c22794fc7c

Aliases

arxiv: 1108.5609 · arxiv_version: 1108.5609v1 · doi: 10.48550/arxiv.1108.5609 · pith_short_12: FZMNR4TK7LLQ · pith_short_16: FZMNR4TK7LLQLQXE · pith_short_8: FZMNR4TK

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/FZMNR4TK7LLQLQXEHN5EDYUAAJ \
  | 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: 2e58d8f26afad705c2e43b7a41e28002550e3e2f94c0d731b1b021c22794fc7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "387a8ba711597f06d2becc3bad65c8646be30cd08faee0e8ebbc5f1429eaa806",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-08-29T15:38:31Z",
    "title_canon_sha256": "8aabc76f5941a975ae94b47f76d6b94cb2152c35fe1908f714acd05092aaf36f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5609",
    "kind": "arxiv",
    "version": 1
  }
}