Pith Number

pith:CY6SNSLH

pith:2021:CY6SNSLHYKWPTWVCMMGQBUGPWJ

not attested not anchored not stored refs pending

Real-Time Face Recognition System for Remote Employee Tracking

Md Abdullah Al Nasim, Mohammad Sabik Irbaz, Refat E Ferdous

arxiv:2107.07576 v2 · 2021-07-15 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CY6SNSLHYKWPTWVCMMGQBUGPWJ}

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	2026-07-05T03:22:23.251246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

163d26c967c2acf9daa2630d00d0cfb24060d2190fd6736b3cf9be07ae5565cf

Aliases

arxiv: 2107.07576 · arxiv_version: 2107.07576v2 · doi: 10.48550/arxiv.2107.07576 · pith_short_12: CY6SNSLHYKWP · pith_short_16: CY6SNSLHYKWPTWVC · pith_short_8: CY6SNSLH

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/CY6SNSLHYKWPTWVCMMGQBUGPWJ \
  | 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: 163d26c967c2acf9daa2630d00d0cfb24060d2190fd6736b3cf9be07ae5565cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "709d9926c123fdaab9dd60ff7318d815c69fe1566dddfddae548fcd1dc1c6e3f",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-15T19:21:37Z",
    "title_canon_sha256": "2497d3a0875752f1f217d12fe6015ab3721feeb8febd89d2ebc99ce4a4b6668b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07576",
    "kind": "arxiv",
    "version": 2
  }
}