Pith Number

pith:2IRLN2WI

pith:2023:2IRLN2WIV22X7QV4CFCZ5HQYP6

not attested not anchored not stored refs pending

Perception Test 2023: A Summary of the First Challenge And Outcome

Andrew Zisserman, Dima Damen, Jo\~ao Carreira, Joseph Heyward, Viorica P\u{a}tr\u{a}ucean

arxiv:2312.13090 v1 · 2023-12-20 · 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{2IRLN2WIV22X7QV4CFCZ5HQYP6}

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	2026-07-05T07:26:32.289988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d222b6eac8aeb57fc2bc11459e9e187fba82ba1d4592e718769edf773143a304

Aliases

arxiv: 2312.13090 · arxiv_version: 2312.13090v1 · doi: 10.48550/arxiv.2312.13090 · pith_short_12: 2IRLN2WIV22X · pith_short_16: 2IRLN2WIV22X7QV4 · pith_short_8: 2IRLN2WI

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/2IRLN2WIV22X7QV4CFCZ5HQYP6 \
  | 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: d222b6eac8aeb57fc2bc11459e9e187fba82ba1d4592e718769edf773143a304

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a7c6c9cdf696db1653ff3ca5abf165b29230249578d255f57c6205790c83b95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-12-20T15:12:27Z",
    "title_canon_sha256": "3e9f9ff65b1ad9da188b3d1dc81182b94c742f60d8f37438b5723598d34b2730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.13090",
    "kind": "arxiv",
    "version": 1
  }
}