Pith Number

pith:HZGRYF2R

pith:2019:HZGRYF2R4TEESBSBZGBWF7TMOK

not attested not anchored not stored refs pending

Undeniable signatures based on isogenies of supersingular hyperelliptic curves

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

arxiv:1908.07458 v1 · 2019-08-19 · 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{HZGRYF2R4TEESBSBZGBWF7TMOK}

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	2026-07-04T23:58:35.234118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e4d1c1751e4c8490641c98362fe6c72bd5cb645367311869bb703d128e0bebe

Aliases

arxiv: 1908.07458 · arxiv_version: 1908.07458v1 · doi: 10.48550/arxiv.1908.07458 · pith_short_12: HZGRYF2R4TEE · pith_short_16: HZGRYF2R4TEESBSB · pith_short_8: HZGRYF2R

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/HZGRYF2R4TEESBSBZGBWF7TMOK \
  | 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: 3e4d1c1751e4c8490641c98362fe6c72bd5cb645367311869bb703d128e0bebe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd95e44aec3032d63af1b2b3634ad2773fcf5fefd30abba237d7329a5bd32ed2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-08-19T12:48:34Z",
    "title_canon_sha256": "412a4af9d4924c95caab8819f3673c399c6baf6ca27f9de995ad979ed8515888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07458",
    "kind": "arxiv",
    "version": 1
  }
}