Pith Number

pith:UBP6DKFL

pith:2019:UBP6DKFL2VIZ2VHBXCFDEPYX5Q

not attested not anchored not stored refs pending

Genus 2 Supersingular Isogeny Oblivious Transfer

Rams\`es Fern\`andez-Val\`encia

arxiv:1907.00475 v4 · 2019-06-30 · cs.CR · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBP6DKFL2VIZ2VHBXCFDEPYX5Q}

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	2026-05-17T23:39:23.700508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a05fe1a8abd5519d54e1b88a323f17ec16be07b83e97e289ec4614490c24f21a

Aliases

arxiv: 1907.00475 · arxiv_version: 1907.00475v4 · doi: 10.48550/arxiv.1907.00475 · pith_short_12: UBP6DKFL2VIZ · pith_short_16: UBP6DKFL2VIZ2VHB · pith_short_8: UBP6DKFL

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/UBP6DKFL2VIZ2VHBXCFDEPYX5Q \
  | 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: a05fe1a8abd5519d54e1b88a323f17ec16be07b83e97e289ec4614490c24f21a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d583b64160eec5fa6837bb695e0c4df214b01908257210a79810131952fe83e",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-06-30T21:40:55Z",
    "title_canon_sha256": "b1073561429e54c4a433e66dd4d5299a84484b244622effca50a63c746d2087f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00475",
    "kind": "arxiv",
    "version": 4
  }
}