Pith Number

pith:PSZJSOWY

pith:2022:PSZJSOWYFTTLZLOLE3HG6OOGYB

not attested not anchored not stored refs pending

Bandwidth-Hard Functions from Random Permutations

Avradip Mandal, Rishiraj Bhattacharyya

arxiv:2207.11519 v1 · 2022-07-23 · 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{PSZJSOWYFTTLZLOLE3HG6OOGYB}

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	2026-07-05T04:43:06.242555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cb2993ad82ce6bcadcb26ce6f39c6c04cbb6ee933de24b5f499889326001f88

Aliases

arxiv: 2207.11519 · arxiv_version: 2207.11519v1 · doi: 10.48550/arxiv.2207.11519 · pith_short_12: PSZJSOWYFTTL · pith_short_16: PSZJSOWYFTTLZLOL · pith_short_8: PSZJSOWY

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/PSZJSOWYFTTLZLOLE3HG6OOGYB \
  | 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: 7cb2993ad82ce6bcadcb26ce6f39c6c04cbb6ee933de24b5f499889326001f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb27ba59b098207202289fee4e7915db59aaa4362a52a930eb45948a6ff6183",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-07-23T13:40:26Z",
    "title_canon_sha256": "7495a8c099ecb54ee59c2aac470ba722c64c65a221339de7dffee0a2bb86b9dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.11519",
    "kind": "arxiv",
    "version": 1
  }
}