Pith Number

pith:NW5WHYKZ

pith:2021:NW5WHYKZQLAMWGTVTP25AZPJTF

not attested not anchored not stored refs pending

Altering Facial Expression Based on Textual Emotion

Ahnaf Tahseen Prince, Fahim Ahsan Khan, Md. Amir Hamza, Md. Masud Rana, Mohammad Imrul Jubair, Mohsena Ashraf

arxiv:2112.01454 v1 · 2021-12-02 · cs.CV · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NW5WHYKZQLAMWGTVTP25AZPJTF}

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	2026-07-05T03:37:09.645999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dbb63e15982c0cb1a759bf5d065e99976357691e301e52e486749cf2225babd

Aliases

arxiv: 2112.01454 · arxiv_version: 2112.01454v1 · doi: 10.48550/arxiv.2112.01454 · pith_short_12: NW5WHYKZQLAM · pith_short_16: NW5WHYKZQLAMWGTV · pith_short_8: NW5WHYKZ

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/NW5WHYKZQLAMWGTVTP25AZPJTF \
  | 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: 6dbb63e15982c0cb1a759bf5d065e99976357691e301e52e486749cf2225babd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc47f41991cebc4e3be92c1923c4ef61dcd9d2c545c7a7da0b957361793caf57",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-02T17:52:25Z",
    "title_canon_sha256": "84e0616c179922ccb3328251fccc01ef75a2c7ec8b4631a118bc649ab0df921d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01454",
    "kind": "arxiv",
    "version": 1
  }
}