Pith Number

pith:FAY5OCEZ

pith:2018:FAY5OCEZW2GBMDXGYSFRY3WQQK

not attested not anchored not stored refs pending

SPOC: Secure Payments for Outsourced Computations

Ioannis Psaras, Micha{\l} Kr\'ol

arxiv:1807.06462 v1 · 2018-07-17 · 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{FAY5OCEZW2GBMDXGYSFRY3WQQK}

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	2026-05-18T00:10:32.947521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2831d70899b68c160ee6c48b1c6ed082bb7cf83bb2310741917012674a364a07

Aliases

arxiv: 1807.06462 · arxiv_version: 1807.06462v1 · doi: 10.48550/arxiv.1807.06462 · pith_short_12: FAY5OCEZW2GB · pith_short_16: FAY5OCEZW2GBMDXG · pith_short_8: FAY5OCEZ

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/FAY5OCEZW2GBMDXGYSFRY3WQQK \
  | 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: 2831d70899b68c160ee6c48b1c6ed082bb7cf83bb2310741917012674a364a07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d25744cd6ef7325cc394ab2f84f9cb3949967e0a8584cd998ade5c945876cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-07-17T14:23:24Z",
    "title_canon_sha256": "b0a0ab43556d43282779c30024e31bc1053edabdc2dd7a10c5a5ccf029dcbf6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06462",
    "kind": "arxiv",
    "version": 1
  }
}