Pith Number

pith:UUU63XUZ

pith:2015:UUU63XUZ64WXZFNHU7YELKXNRD

not attested not anchored not stored refs pending

Diffeomorphic density matching by optimal information transport

Klas Modin, Martin Bauer, Sarang Joshi

arxiv:1501.07635 v1 · 2015-01-29 · math.OC · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUU63XUZ64WXZFNHU7YELKXNRD}

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	2026-05-18T01:06:24.717281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a529edde99f72d7c95a7a7f045aaed88da567399a1790cd41667570d837d368f

Aliases

arxiv: 1501.07635 · arxiv_version: 1501.07635v1 · doi: 10.48550/arxiv.1501.07635 · pith_short_12: UUU63XUZ64WX · pith_short_16: UUU63XUZ64WXZFNH · pith_short_8: UUU63XUZ

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/UUU63XUZ64WXZFNHU7YELKXNRD \
  | 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: a529edde99f72d7c95a7a7f045aaed88da567399a1790cd41667570d837d368f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e0422c9c9e149029b538ce8736bb1f15716b37796619144ba9589a1875c0004",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-01-29T23:21:16Z",
    "title_canon_sha256": "5de78a8b0e26124e6332f50ed5abce9e05f7b4bc4f6f46136ac3bd0f10ba323b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07635",
    "kind": "arxiv",
    "version": 1
  }
}