Pith Number

pith:VRKHWCUJ

pith:2014:VRKHWCUJBW5XHKBNYIWTH57VMW

not attested not anchored not stored refs pending

Uniformity is weaker than semi-uniformity for some membrane systems

Damien Woods, Niall Murphy

arxiv:1412.3377 v1 · 2014-12-10 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRKHWCUJBW5XHKBNYIWTH57VMW}

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	2026-05-18T02:31:36.807659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac547b0a890dbb73a82dc22d33f7f56597d691096d3d51aadc31619426993ca3

Aliases

arxiv: 1412.3377 · arxiv_version: 1412.3377v1 · doi: 10.48550/arxiv.1412.3377 · pith_short_12: VRKHWCUJBW5X · pith_short_16: VRKHWCUJBW5XHKBN · pith_short_8: VRKHWCUJ

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/VRKHWCUJBW5XHKBNYIWTH57VMW \
  | 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: ac547b0a890dbb73a82dc22d33f7f56597d691096d3d51aadc31619426993ca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cbb6a9f808f0de591b5062a0eed42c5a67727d45220b4f3388710433a6831cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-12-10T17:30:22Z",
    "title_canon_sha256": "0ce2b623725fd85f9792898ff7b614a0adbdcee630e03d2941f4e6ec1c709f66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3377",
    "kind": "arxiv",
    "version": 1
  }
}