Pith Number

pith:H55MJZWN

pith:2020:H55MJZWNX3A7TJ4DLTWKND7JLL

not attested not anchored not stored refs pending

Beyond Identity: What Information Is Stored in Biometric Face Templates?

Arjan Kuijper, Daniel F\"ahrmann, Florian Kirchbuchner, Naser Damer, Philipp Terh\"orst

arxiv:2009.09918 v1 · 2020-09-21 · 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{H55MJZWNX3A7TJ4DLTWKND7JLL}

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.

Cited by

1 paper in Pith

A Deeper Dive into the Irreversibility of PolyProtect: Making Protected Face Templates Harder to Invert

Receipt and verification

First computed	2026-07-05T01:36:54.366866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f7ac4e6cdbec1f9a7835ceca68fe95acf0e18cd0b6803e322812d5a2617c44f

Aliases

arxiv: 2009.09918 · arxiv_version: 2009.09918v1 · doi: 10.48550/arxiv.2009.09918 · pith_short_12: H55MJZWNX3A7 · pith_short_16: H55MJZWNX3A7TJ4D · pith_short_8: H55MJZWN

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/H55MJZWNX3A7TJ4DLTWKND7JLL \
  | 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: 3f7ac4e6cdbec1f9a7835ceca68fe95acf0e18cd0b6803e322812d5a2617c44f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b507c51d1ef9d653ddfc6f25cca71e24bf1c552288ccb4a909fd2129dab1a3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-09-21T14:41:18Z",
    "title_canon_sha256": "2e527cbc6a52dbd23bf2527f40924429d6da2b139d30a6a561c5d1cf1624be86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.09918",
    "kind": "arxiv",
    "version": 1
  }
}