Pith Number

pith:RY5O5HB4

pith:2021:RY5O5HB4IGYBC4WIRXP3PJJLT7

not attested not anchored not stored refs pending

Frozen in Time: A Joint Video and Image Encoder for End-to-End Retrieval

Andrew Zisserman, Arsha Nagrani, G\"ul Varol, Max Bain

arxiv:2104.00650 v2 · 2021-04-01 · 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{RY5O5HB4IGYBC4WIRXP3PJJLT7}

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.

Cited by

1 paper in Pith

MedGen: Unlocking Medical Video Generation by Scaling Granularly-annotated Medical Videos

Receipt and verification

First computed	2026-07-05T04:22:50.530573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e3aee9c3c41b01172c88ddfb7a52b9fe78d293bf16bf7c6d83f9eb4be7c27eb

Aliases

arxiv: 2104.00650 · arxiv_version: 2104.00650v2 · doi: 10.48550/arxiv.2104.00650 · pith_short_12: RY5O5HB4IGYB · pith_short_16: RY5O5HB4IGYBC4WI · pith_short_8: RY5O5HB4

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/RY5O5HB4IGYBC4WIRXP3PJJLT7 \
  | 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: 8e3aee9c3c41b01172c88ddfb7a52b9fe78d293bf16bf7c6d83f9eb4be7c27eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bf7d08dd1058559cd97fb88fe1eb15a61d965dd0467923f52ca2e78f1bf33f3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-01T17:48:27Z",
    "title_canon_sha256": "56fda0e7c8fefb4de21e561f8a0eb0ce652ce29439d77ae3524a726c85ddbe30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.00650",
    "kind": "arxiv",
    "version": 2
  }
}