Pith Number

pith:MDYJPBR3

pith:2019:MDYJPBR3RWFQ3Y2BSJNO7MTFFL

not attested not anchored not stored refs pending

Double variational principle for mean dimension with potential

Masaki Tsukamoto

arxiv:1901.05628 v1 · 2019-01-17 · math.DS · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDYJPBR3RWFQ3Y2BSJNO7MTFFL}

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	2026-05-17T23:55:33.775562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60f097863b8d8b0de341925aefb2652ac0bab4986077098bff518db8bc26b6b3

Aliases

arxiv: 1901.05628 · arxiv_version: 1901.05628v1 · doi: 10.48550/arxiv.1901.05628 · pith_short_12: MDYJPBR3RWFQ · pith_short_16: MDYJPBR3RWFQ3Y2B · pith_short_8: MDYJPBR3

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/MDYJPBR3RWFQ3Y2BSJNO7MTFFL \
  | 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: 60f097863b8d8b0de341925aefb2652ac0bab4986077098bff518db8bc26b6b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5ddd429fce8ea188df3a2848f9f98934f05d0d66bce39861f59df6017ec7385",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-01-17T05:42:52Z",
    "title_canon_sha256": "6ca9c4f0f2beff183bf855f815c17680f1bd37e0c54d46d249321d3e23731c0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05628",
    "kind": "arxiv",
    "version": 1
  }
}