Pith Number

pith:C4DMPV32

pith:2019:C4DMPV32JT47INCYLM7W32UECI

not attested not anchored not stored refs pending

Going back to the roots: how to create stroboscopic photos from digital videos

\'Alvaro Su\'arez, Arturo C. Mart\'i, Daniel Baccino

arxiv:1901.05058 v1 · 2019-01-15 · physics.ed-ph · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4DMPV32JT47INCYLM7W32UECI}

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	2026-05-17T23:56:12.079984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1706c7d77a4cf9f434585b3f6dea84120e2767889b6de81c5cd59d5fab3f91b7

Aliases

arxiv: 1901.05058 · arxiv_version: 1901.05058v1 · doi: 10.48550/arxiv.1901.05058 · pith_short_12: C4DMPV32JT47 · pith_short_16: C4DMPV32JT47INCY · pith_short_8: C4DMPV32

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/C4DMPV32JT47INCYLM7W32UECI \
  | 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: 1706c7d77a4cf9f434585b3f6dea84120e2767889b6de81c5cd59d5fab3f91b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edaa3aafc5c463746bb9c11e493d502e483508997d545ecc4ef84343c5f88f72",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2019-01-15T21:44:55Z",
    "title_canon_sha256": "450c11102f99a84b9aba312f3f50fb47cdbcaab57ce85edac9b0c9a39aec99e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05058",
    "kind": "arxiv",
    "version": 1
  }
}