Pith Number

pith:PE3A52SN

pith:2019:PE3A52SNSAXQGCTJ3PX5R2SWFM

not attested not anchored not stored refs pending

Facial Micro-Expression Spotting and Recognition using Time Contrasted Feature with Visual Memory

Aishik Konwer, Ayan Kumar Bhunia, Partha Pratim Roy, Sauradip Nag

arxiv:1902.03514 v2 · 2019-02-09 · 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{PE3A52SNSAXQGCTJ3PX5R2SWFM}

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	2026-05-17T23:48:11.099930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79360eea4d902f030a69dbefd8ea562b011eb7efcacf55be1a03b036d7237033

Aliases

arxiv: 1902.03514 · arxiv_version: 1902.03514v2 · doi: 10.48550/arxiv.1902.03514 · pith_short_12: PE3A52SNSAXQ · pith_short_16: PE3A52SNSAXQGCTJ · pith_short_8: PE3A52SN

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/PE3A52SNSAXQGCTJ3PX5R2SWFM \
  | 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: 79360eea4d902f030a69dbefd8ea562b011eb7efcacf55be1a03b036d7237033

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b3dc725df98a8cb0556d01a5c9660cfa71299341e746607fde7a3526afe8346",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-09T23:46:01Z",
    "title_canon_sha256": "bc3022bc307ab5fa6cd048c5ee2bc1453d272253a10a078cab859a2bf150b464"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03514",
    "kind": "arxiv",
    "version": 2
  }
}