Pith Number

pith:FFAX4EEK

pith:2024:FFAX4EEK7G2WB5HAF2MQ4WLRWK

not attested not anchored not stored refs pending

PIPsUS: Self-Supervised Point Tracking in Ultrasound

Adam Schmidt, Eitan Prisman, Septimiu E Salcudean, Wanwen Chen

arxiv:2403.04969 v2 · 2024-03-08 · 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{FFAX4EEK7G2WB5HAF2MQ4WLRWK}

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	2026-07-05T08:50:28.228504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29417e108af9b560f4e02e990e5971b29c80e336e8643ca7bb17767d7665d7ea

Aliases

arxiv: 2403.04969 · arxiv_version: 2403.04969v2 · doi: 10.48550/arxiv.2403.04969 · pith_short_12: FFAX4EEK7G2W · pith_short_16: FFAX4EEK7G2WB5HA · pith_short_8: FFAX4EEK

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/FFAX4EEK7G2WB5HAF2MQ4WLRWK \
  | 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: 29417e108af9b560f4e02e990e5971b29c80e336e8643ca7bb17767d7665d7ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ec102f1334d8fdea20264e17dac1b49ac62fcc01892ac37985309fd0fac1967",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-03-08T00:53:49Z",
    "title_canon_sha256": "c7f178cab8b71b6ff29a0eae23447626145fec9b4539ceb58829f2145c191a81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.04969",
    "kind": "arxiv",
    "version": 2
  }
}