Pith Number

pith:FKCIF56T

pith:2021:FKCIF56T5ZO5N75I7B224XUEGD

not attested not anchored not stored refs pending

DeepfakeUCL: Deepfake Detection via Unsupervised Contrastive Learning

Chang-Tsun Li, Chao Zhang, Sheldon Fung, Xuequan Lu

arxiv:2104.11507 v1 · 2021-04-23 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKCIF56T5ZO5N75I7B224XUEGD}

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

Trident: Detecting Face Forgeries with Adversarial Triplet Learning

Receipt and verification

First computed	2026-07-05T02:34:32.711097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a8482f7d3ee5dd6ffa8f875ae5e8430cdc3397b10459ccb184085af40743b55

Aliases

arxiv: 2104.11507 · arxiv_version: 2104.11507v1 · doi: 10.48550/arxiv.2104.11507 · pith_short_12: FKCIF56T5ZO5 · pith_short_16: FKCIF56T5ZO5N75I · pith_short_8: FKCIF56T

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/FKCIF56T5ZO5N75I7B224XUEGD \
  | 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: 2a8482f7d3ee5dd6ffa8f875ae5e8430cdc3397b10459ccb184085af40743b55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fba845ab2047e914c4de9316c4b6411e5a56c207a9ee0f0b1f1bcd7eb0a92d36",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-23T09:48:10Z",
    "title_canon_sha256": "678681aa97dfbbececf3744853266ba192d145fd2c018f03eb7c161f05c247d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11507",
    "kind": "arxiv",
    "version": 1
  }
}