Pith Number

pith:KC2JMAOZ

pith:2020:KC2JMAOZMP4KJGF256UOMVXFQK

not attested not anchored not stored refs pending

Resist : Reconstruction of irises from templates

Benjamin Fuller, Christopher Geiger, Sohaib Ahmad

arxiv:2007.15850 v2 · 2020-07-31 · cs.CV · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KC2JMAOZMP4KJGF256UOMVXFQK}

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	2026-07-05T02:31:18.854202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50b49601d963f8a498baefa8e656e582a2cc6f9c62e46e2a47a2e03afae27b4d

Aliases

arxiv: 2007.15850 · arxiv_version: 2007.15850v2 · doi: 10.48550/arxiv.2007.15850 · pith_short_12: KC2JMAOZMP4K · pith_short_16: KC2JMAOZMP4KJGF2 · pith_short_8: KC2JMAOZ

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/KC2JMAOZMP4KJGF256UOMVXFQK \
  | 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: 50b49601d963f8a498baefa8e656e582a2cc6f9c62e46e2a47a2e03afae27b4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fcc6338dc7682af78cd3349b4b2886c3969a3f2a47d307232a3036aa2f0c8d9",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-31T05:08:28Z",
    "title_canon_sha256": "95af95b1d3a7be060b70f7254e6c71888c8fcba7a97426ba6866b4c51410f44d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.15850",
    "kind": "arxiv",
    "version": 2
  }
}