Pith Number

pith:DQ6XCPXV

pith:2021:DQ6XCPXVBHMPWABNISNXKSNOAF

not attested not anchored not stored refs pending

Supervised deep learning of elastic SRV distances on the shape space of curves

Emmanuel Hartman, Eric Klassen, Martin Bauer, Nicolas Charon, Yashil Sukurdeep

arxiv:2101.04929 v2 · 2021-01-13 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQ6XCPXVBHMPWABNISNXKSNOAF}

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	2026-07-05T09:57:17.370785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c3d713ef509d8fb002d449b7549ae016a205a978b50dea397c610872ebd141c

Aliases

arxiv: 2101.04929 · arxiv_version: 2101.04929v2 · doi: 10.48550/arxiv.2101.04929 · pith_short_12: DQ6XCPXVBHMP · pith_short_16: DQ6XCPXVBHMPWABN · pith_short_8: DQ6XCPXV

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/DQ6XCPXVBHMPWABNISNXKSNOAF \
  | 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: 1c3d713ef509d8fb002d449b7549ae016a205a978b50dea397c610872ebd141c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c5f2921523bf0f2095999169ccdb45cfdb37797423f2b7452f6d281cc669837",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-01-13T08:15:23Z",
    "title_canon_sha256": "746fe867f463c047d772c69af1a89706e508708f4b8aa0d826df5f44d5aeb1e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04929",
    "kind": "arxiv",
    "version": 2
  }
}