Pith Number

pith:EM2ESDTD

pith:2016:EM2ESDTDX7THNSERBDNKFEVHZK

not attested not anchored not stored refs pending

Semantic Spaces

Matilde Marcolli, Yuri Manin

arxiv:1605.04238 v1 · 2016-05-13 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EM2ESDTDX7THNSERBDNKFEVHZK}

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	2026-05-18T01:14:53.939133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2334490e63bfe676c89108daa292a7ca84eda0e9e9ba732f50a8f0701604f3ca

Aliases

arxiv: 1605.04238 · arxiv_version: 1605.04238v1 · doi: 10.48550/arxiv.1605.04238 · pith_short_12: EM2ESDTDX7TH · pith_short_16: EM2ESDTDX7THNSER · pith_short_8: EM2ESDTD

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/EM2ESDTDX7THNSERBDNKFEVHZK \
  | 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: 2334490e63bfe676c89108daa292a7ca84eda0e9e9ba732f50a8f0701604f3ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "270689b954baff6737aba970ab773ff999e8869eb711a359c9f6b4a3224cb4ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-05-13T16:25:38Z",
    "title_canon_sha256": "97ca9fd5c204528cc7a11b889e845f240ea82a5257ad8df13d88dc079c1ea7f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04238",
    "kind": "arxiv",
    "version": 1
  }
}