Pith Number

pith:H3TDAHTG

pith:2023:H3TDAHTGHPHW5WOBZ7SC6MN2Z6

not attested not anchored not stored refs pending

Reference-based Restoration of Digitized Analog Videotapes

Alberto Del Bimbo, Leonardo Galteri, Lorenzo Agnolucci, Marco Bertini

arxiv:2310.14926 v2 · 2023-10-20 · cs.CV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H3TDAHTGHPHW5WOBZ7SC6MN2Z6}

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	2026-07-05T07:09:02.911113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ee6301e663bcf6ed9c1cfe42f31bacf8f50c3be197561a0419df1fd70123802

Aliases

arxiv: 2310.14926 · arxiv_version: 2310.14926v2 · doi: 10.48550/arxiv.2310.14926 · pith_short_12: H3TDAHTGHPHW · pith_short_16: H3TDAHTGHPHW5WOB · pith_short_8: H3TDAHTG

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/H3TDAHTGHPHW5WOBZ7SC6MN2Z6 \
  | 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: 3ee6301e663bcf6ed9c1cfe42f31bacf8f50c3be197561a0419df1fd70123802

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7658a3f68b4c8160892b480ad7a453cc126387648b304753a7af48c1c19e89b3",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-10-20T17:33:57Z",
    "title_canon_sha256": "49af1eac4480504ece31ba89164c8eb80ca905c1c3b366530f93f579363b3723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.14926",
    "kind": "arxiv",
    "version": 2
  }
}