Pith Number

pith:CESMELZA

pith:2016:CESMELZAJGAVIFYDBVFRDQ3WUK

not attested not anchored not stored refs pending

Principles of Layered Attestation

Paul D. Rowe

arxiv:1603.01244 v1 · 2016-03-03 · cs.CR · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CESMELZAJGAVIFYDBVFRDQ3WUK}

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	2026-05-18T01:19:39.320665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1124c22f2049815417030d4b11c376a2a73c8a23b4ab9f8f5c5933282764a1eb

Aliases

arxiv: 1603.01244 · arxiv_version: 1603.01244v1 · doi: 10.48550/arxiv.1603.01244 · pith_short_12: CESMELZAJGAV · pith_short_16: CESMELZAJGAVIFYD · pith_short_8: CESMELZA

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/CESMELZAJGAVIFYDBVFRDQ3WUK \
  | 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: 1124c22f2049815417030d4b11c376a2a73c8a23b4ab9f8f5c5933282764a1eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03e5d2dd16fe8f18141f937d8b65d3ebfcd2d820ccb02742bc61509686556e71",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2016-03-03T20:04:18Z",
    "title_canon_sha256": "3b655df3fb0535ef0c5afec0b6610241d030addfc88bcb30a3332f75b37390e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01244",
    "kind": "arxiv",
    "version": 1
  }
}