Pith Number

pith:XKA3IIEJ

pith:2020:XKA3IIEJMIFAYPV64DFA4DFWPM

not attested not anchored not stored refs pending

Self-supervised Contrastive Video-Speech Representation Learning for Ultrasound

Aris T.Papageorghiou, J. Alison Noble, Jianbo Jiao, Lior Drukker, Mohammad Alsharid, Yifan Cai

arxiv:2008.06607 v1 · 2020-08-14 · 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{XKA3IIEJMIFAYPV64DFA4DFWPM}

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	2026-07-05T01:27:30.161655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba81b42089620a0c3ebee0ca0e0cb67b29789ed164cd9c94e35edfa1e14d04d6

Aliases

arxiv: 2008.06607 · arxiv_version: 2008.06607v1 · doi: 10.48550/arxiv.2008.06607 · pith_short_12: XKA3IIEJMIFA · pith_short_16: XKA3IIEJMIFAYPV6 · pith_short_8: XKA3IIEJ

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/XKA3IIEJMIFAYPV64DFA4DFWPM \
  | 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: ba81b42089620a0c3ebee0ca0e0cb67b29789ed164cd9c94e35edfa1e14d04d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08fb93779f507c4a0cbb975193bd8439be8164800c06c54561470bd19e8a8dbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-08-14T23:58:23Z",
    "title_canon_sha256": "8b5683ee407e168abbc24bd7399a42241b624067203d26166beab8b40c7f94d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.06607",
    "kind": "arxiv",
    "version": 1
  }
}