Pith Number

pith:FXVGHSHH

pith:2015:FXVGHSHHP3UI7EE3OMXKLT56DL

not attested not anchored not stored refs pending

Facial Expression Detection using Patch-based Eigen-face Isomap Networks

Sohini Roychowdhury

arxiv:1511.03363 v1 · 2015-11-11 · 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{FXVGHSHHP3UI7EE3OMXKLT56DL}

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	2026-05-18T01:27:15.628119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dea63c8e77ee88f909b732ea5cfbe1ac3d1fc96fe6c0967f2961a3e725bf49e

Aliases

arxiv: 1511.03363 · arxiv_version: 1511.03363v1 · doi: 10.48550/arxiv.1511.03363 · pith_short_12: FXVGHSHHP3UI · pith_short_16: FXVGHSHHP3UI7EE3 · pith_short_8: FXVGHSHH

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/FXVGHSHHP3UI7EE3OMXKLT56DL \
  | 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: 2dea63c8e77ee88f909b732ea5cfbe1ac3d1fc96fe6c0967f2961a3e725bf49e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3134342c474af24585ce9c701f03d71bb3fd0f861c5f637b8ba64df935d64d18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-11-11T02:39:26Z",
    "title_canon_sha256": "357c30fb8da3303e7708cea529f02cbbc898e6839d82d9c4a53e9caf03b42496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03363",
    "kind": "arxiv",
    "version": 1
  }
}