Pith Number

pith:JP6FP6Z2

pith:2026:JP6FP6Z25KOENJ5YBQADFTLS6R

not attested not anchored not stored refs pending

NSynC: Normalised Synthesis of Computation

Edinburgh, Elizabeth Polgreen (1) ((1) University of Edinburgh, Ohad Kammar (1), UK), Zoey Shepherd (1)

arxiv:2606.30703 v1 · 2026-06-29 · 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{JP6FP6Z25KOENJ5YBQADFTLS6R}

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	2026-07-01T00:17:13.956441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bfc57fb3aea9c46a7b80c0032cd72f4447658fcab9cbcaab5d8c29521474a7a

Aliases

arxiv: 2606.30703 · arxiv_version: 2606.30703v1 · doi: 10.48550/arxiv.2606.30703 · pith_short_12: JP6FP6Z25KOE · pith_short_16: JP6FP6Z25KOENJ5Y · pith_short_8: JP6FP6Z2

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/JP6FP6Z25KOENJ5YBQADFTLS6R \
  | 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: 4bfc57fb3aea9c46a7b80c0032cd72f4447658fcab9cbcaab5d8c29521474a7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd7d2c6b9f1e77be35b609e9b7b052ac0fe70c3f3f17b8a961e80a1cbe4dded0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2026-06-29T13:15:35Z",
    "title_canon_sha256": "1afe13bb05cfe645c088df195d6b6b85c87c03c9a5125f6e6b9b12529d0ba3e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30703",
    "kind": "arxiv",
    "version": 1
  }
}