Pith Number

pith:AQFEZ3TU

pith:2018:AQFEZ3TUFRFDJJ7AAF5SHKXT4M

not attested not anchored not stored refs pending

Learning Sports Camera Selection from Internet Videos

James J. Little, Jianhui Chen, Keyu Lu, Sijia Tian

arxiv:1809.02854 v1 · 2018-09-08 · 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{AQFEZ3TUFRFDJJ7AAF5SHKXT4M}

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	2026-05-18T00:06:15.127216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

040a4cee742c4a34a7e0017b23aaf3e318c3295c5faf20eec5c588f1ca78bab2

Aliases

arxiv: 1809.02854 · arxiv_version: 1809.02854v1 · doi: 10.48550/arxiv.1809.02854 · pith_short_12: AQFEZ3TUFRFD · pith_short_16: AQFEZ3TUFRFDJJ7A · pith_short_8: AQFEZ3TU

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/AQFEZ3TUFRFDJJ7AAF5SHKXT4M \
  | 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: 040a4cee742c4a34a7e0017b23aaf3e318c3295c5faf20eec5c588f1ca78bab2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d557640f58b2b5110c7392b37597b83ba009b6c22b4f08beccaefea667ca4890",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-08T19:16:04Z",
    "title_canon_sha256": "57634e71fbb1cbbf8439ec32a154753859123068e7824128e73413da4fc25327"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02854",
    "kind": "arxiv",
    "version": 1
  }
}