Pith Number

pith:3QFGUI3O

pith:2018:3QFGUI3OA77X7DMTTQK3DEZS6X

not attested not anchored not stored refs pending

Diffeomorphic density registration

Klas Modin, Martin Bauer, Sarang Joshi

arxiv:1807.05505 v2 · 2018-07-15 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QFGUI3OA77X7DMTTQK3DEZS6X}

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	2026-05-18T00:10:09.773469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc0a6a236e07ff7f8d939c15b19332f5d13093bd076085198966de8112930ce6

Aliases

arxiv: 1807.05505 · arxiv_version: 1807.05505v2 · doi: 10.48550/arxiv.1807.05505 · pith_short_12: 3QFGUI3OA77X · pith_short_16: 3QFGUI3OA77X7DMT · pith_short_8: 3QFGUI3O

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/3QFGUI3OA77X7DMTTQK3DEZS6X \
  | 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: dc0a6a236e07ff7f8d939c15b19332f5d13093bd076085198966de8112930ce6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57698e92e81fac396e32515432ae3872a81babce523237d0976f8e08dd074378",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-07-15T07:49:57Z",
    "title_canon_sha256": "b41cfcaf461c82f5d399f8cef7250223966ad2e07e2dfdc6becfbae17a281d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05505",
    "kind": "arxiv",
    "version": 2
  }
}