Pith Number

pith:4BCZWQGV

pith:2024:4BCZWQGVKRFV52PQEVJYURKUZS

not attested not anchored not stored refs pending

Recording dynamic facial micro-expressions with a multi-focus camera array

Amey Chaware, Aurelien Begue, Clare B. Cook, Clay Dugo, Kanghyun Kim, Kevin C. Zhou, Lucas Kreiss, Mark Harfouche, Ramana Balla, Roarke Horstmeyer, Weiheng Tang, Xi Yang

arxiv:2410.01973 v1 · 2024-10-02 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4BCZWQGVKRFV52PQEVJYURKUZS}

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	2026-07-05T10:02:24.629595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0459b40d5544b5ee9f025538a4554ccba249727647d04bee0a72415b7b82e42

Aliases

arxiv: 2410.01973 · arxiv_version: 2410.01973v1 · doi: 10.48550/arxiv.2410.01973 · pith_short_12: 4BCZWQGVKRFV · pith_short_16: 4BCZWQGVKRFV52PQ · pith_short_8: 4BCZWQGV

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/4BCZWQGVKRFV52PQEVJYURKUZS \
  | 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: e0459b40d5544b5ee9f025538a4554ccba249727647d04bee0a72415b7b82e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba20da4f7a851ca7ff8dd755c9269d829ae239bd0922ef40eec8cdd8c1dc4ab7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-10-02T19:30:21Z",
    "title_canon_sha256": "3eaeafc017d1ea5a0b1f663a7836244dc128ff1115d738a7da2cb8d7b259c938"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.01973",
    "kind": "arxiv",
    "version": 1
  }
}