Pith Number

pith:4DP6T55W

pith:2016:4DP6T55WFZDDUIMLZFVT34B5VD

not attested not anchored not stored refs pending

Less is More: Micro-expression Recognition from Video using Apex Frame

John See, KokSheik Wong, Raphael C.-W. Phan, Sze-Teng Liong

arxiv:1606.01721 v3 · 2016-06-06 · 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{4DP6T55WFZDDUIMLZFVT34B5VD}

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	2026-05-18T00:23:17.266199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0dfe9f7b62e463a218bc96b3df03da8d5e49eb9d2243acb5020880f6e667ad0

Aliases

arxiv: 1606.01721 · arxiv_version: 1606.01721v3 · doi: 10.48550/arxiv.1606.01721 · pith_short_12: 4DP6T55WFZDD · pith_short_16: 4DP6T55WFZDDUIML · pith_short_8: 4DP6T55W

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/4DP6T55WFZDDUIMLZFVT34B5VD \
  | 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: e0dfe9f7b62e463a218bc96b3df03da8d5e49eb9d2243acb5020880f6e667ad0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a76bf3c51400d9ce6047d5c158865d2f325f641ff142faf3370f0accdd4991d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-06-06T12:59:14Z",
    "title_canon_sha256": "bed065e40bc98d11035fd2cc1c5892ee435acbc2da38ddab9373ad7c66086065"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.01721",
    "kind": "arxiv",
    "version": 3
  }
}