Pith Number

pith:SGAKA2KT

pith:2015:SGAKA2KT3DAPZKK6ZOF4BISRFI

not attested not anchored not stored refs pending

Towards Patterns for Heaps and Imperative Lambdas

David A. Naumann

arxiv:1510.05527 v1 · 2015-10-19 · 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{SGAKA2KT3DAPZKK6ZOF4BISRFI}

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	2026-05-18T01:29:52.102057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9180a06953d8c0fca95ecb8bc0a2512a1eb3a2e19fdfc9975c2d974a3e98e5ff

Aliases

arxiv: 1510.05527 · arxiv_version: 1510.05527v1 · doi: 10.48550/arxiv.1510.05527 · pith_short_12: SGAKA2KT3DAP · pith_short_16: SGAKA2KT3DAPZKK6 · pith_short_8: SGAKA2KT

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/SGAKA2KT3DAPZKK6ZOF4BISRFI \
  | 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: 9180a06953d8c0fca95ecb8bc0a2512a1eb3a2e19fdfc9975c2d974a3e98e5ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6b52f0c0461309ca8210ccea70a75700ff5e754e8092530168a3c25a32dd596",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-10-19T15:20:27Z",
    "title_canon_sha256": "853b01877f2b7994c5edd5c0b8a53a84195118ba4baf9a5fdf82268ded5c5f07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05527",
    "kind": "arxiv",
    "version": 1
  }
}