Pith Number

pith:MWU4NPBC

pith:2017:MWU4NPBC5XUQ42Z5RCDQUHN5JM

not attested not anchored not stored refs pending

DAReing to reduce the annotation overheads of verified programs

Duncan Cameron, Gudmund Grov, Leon McGregor

arxiv:1706.04023 v1 · 2017-06-13 · cs.SE · 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{MWU4NPBC5XUQ42Z5RCDQUHN5JM}

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	2026-05-18T00:42:24.727072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65a9c6bc22ede90e6b3d88870a1dbd4b15de7ab6ebf539d15182c873db07f9a1

Aliases

arxiv: 1706.04023 · arxiv_version: 1706.04023v1 · doi: 10.48550/arxiv.1706.04023 · pith_short_12: MWU4NPBC5XUQ · pith_short_16: MWU4NPBC5XUQ42Z5 · pith_short_8: MWU4NPBC

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/MWU4NPBC5XUQ42Z5RCDQUHN5JM \
  | 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: 65a9c6bc22ede90e6b3d88870a1dbd4b15de7ab6ebf539d15182c873db07f9a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a77db36a310e11c33326a548f3e0ae174547347a5d188f5d2ff5252896bd9df",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-06-13T12:25:10Z",
    "title_canon_sha256": "428b744590d7b313c3c8cd24168b3446f492fd5bb7d714e8c73a1a30f1ef408e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04023",
    "kind": "arxiv",
    "version": 1
  }
}