Pith Number

pith:FN3XJZF2

pith:2021:FN3XJZF2IWSEURHIOHPCKZKMLQ

not attested not anchored not stored refs pending

Signal-level Fusion for Indexing and Retrieval of Facial Biometric Data

Christian Rathgeb, Christoph Busch, Fabian Stockhardt, Pawel Drozdowski

arxiv:2103.03692 v1 · 2021-03-05 · 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{FN3XJZF2IWSEURHIOHPCKZKMLQ}

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	2026-07-05T02:20:38.835839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b7774e4ba45a44a44e871de25654c5c3713b97218ed4ce94808868267bce2d1

Aliases

arxiv: 2103.03692 · arxiv_version: 2103.03692v1 · doi: 10.48550/arxiv.2103.03692 · pith_short_12: FN3XJZF2IWSE · pith_short_16: FN3XJZF2IWSEURHI · pith_short_8: FN3XJZF2

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/FN3XJZF2IWSEURHIOHPCKZKMLQ \
  | 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: 2b7774e4ba45a44a44e871de25654c5c3713b97218ed4ce94808868267bce2d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ce75628aee8278c4b8ab0e3a596d3abaeaae15eeb891bb2ba6e44d2f757b72d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-05T14:06:54Z",
    "title_canon_sha256": "75b8444db09734c0c1ab16c524163f4bf9fc0f1efc67ad3eb549526e3004b53f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.03692",
    "kind": "arxiv",
    "version": 1
  }
}