Pith Number

pith:PMEM6U55

pith:2011:PMEM6U55EXSWVXTD2GJGIG4UYT

not attested not anchored not stored refs pending

Non-Cartesian Thinking

Mikhail Kagan

arxiv:1108.2006 v1 · 2011-08-09 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMEM6U55EXSWVXTD2GJGIG4UYT}

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	2026-05-18T04:15:50.721816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b08cf53bd25e56ade63d192641b94c4ca520ee8a663214755aff928b96b1e81

Aliases

arxiv: 1108.2006 · arxiv_version: 1108.2006v1 · doi: 10.48550/arxiv.1108.2006 · pith_short_12: PMEM6U55EXSW · pith_short_16: PMEM6U55EXSWVXTD · pith_short_8: PMEM6U55

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/PMEM6U55EXSWVXTD2GJGIG4UYT \
  | 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: 7b08cf53bd25e56ade63d192641b94c4ca520ee8a663214755aff928b96b1e81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17cb12968a51ce1afa3c2c53690568aeb707af3f0f0d8f2c2ba5213edd36df9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2011-08-09T18:35:34Z",
    "title_canon_sha256": "7e5725df5f9abae76b652876851ccdaf4fcc12ea4c34f8ba703fb8b2a889cf5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2006",
    "kind": "arxiv",
    "version": 1
  }
}