Pith Number

pith:7D2O4PCV

pith:2017:7D2O4PCVFNBHMO7UNXXG3DSWQ3

not attested not anchored not stored refs pending

DeepVel: deep learning for the estimation of horizontal velocities at the solar surface

2), 2) ((1) Instituto de Astrofisica de Canarias, (2) Universidad de La Laguna), A. Asensio Ramos (1, I. S. Requerey (1, N. Vitas (1

arxiv:1703.05128 v2 · 2017-03-15 · astro-ph.SR · 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{7D2O4PCVFNBHMO7UNXXG3DSWQ3}

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	2026-05-18T00:38:56.743304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8f4ee3c552b42763bf46dee6d8e5686e1b40d057f71dff89ab68604fc961e61

Aliases

arxiv: 1703.05128 · arxiv_version: 1703.05128v2 · doi: 10.48550/arxiv.1703.05128 · pith_short_12: 7D2O4PCVFNBH · pith_short_16: 7D2O4PCVFNBHMO7U · pith_short_8: 7D2O4PCV

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/7D2O4PCVFNBHMO7UNXXG3DSWQ3 \
  | 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: f8f4ee3c552b42763bf46dee6d8e5686e1b40d057f71dff89ab68604fc961e61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb6817d9cde4703298ead9ba9ed38da31e7cf7bf1c5ee0b428180fc1f2b120ff",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-03-15T12:49:07Z",
    "title_canon_sha256": "b194824f6d398c1c4a57d1783c477dfcd562e6d926dc0609c228ec7e4dab856e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05128",
    "kind": "arxiv",
    "version": 2
  }
}