Pith Number

pith:YYQ7T2WE

pith:2017:YYQ7T2WE5NS5YWBWNF445C2VBK

not attested not anchored not stored refs pending

Proof of Correspondence between Keys and Encoding Maps in an Authentication Code

Guillermo Morales-Luna, Horacio Tapia-Recillas, Juan Carlos Ku-Cauich

arxiv:1703.08147 v2 · 2017-03-23 · math.NT · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYQ7T2WE5NS5YWBWNF445C2VBK}

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	2026-05-18T00:16:09.226961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c621f9eac4eb65dc58366979ce8b550aa46c97f219e285dfc5e2ba0fdd3a698c

Aliases

arxiv: 1703.08147 · arxiv_version: 1703.08147v2 · doi: 10.48550/arxiv.1703.08147 · pith_short_12: YYQ7T2WE5NS5 · pith_short_16: YYQ7T2WE5NS5YWBW · pith_short_8: YYQ7T2WE

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/YYQ7T2WE5NS5YWBWNF445C2VBK \
  | 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: c621f9eac4eb65dc58366979ce8b550aa46c97f219e285dfc5e2ba0fdd3a698c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "846105898a839678e23f861ec2e63b98ec523a4a31fe539c07266b193975c4e6",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-03-23T17:18:46Z",
    "title_canon_sha256": "65bedd89cd9782419eb63f4dc28d575cd7e482249c2e5f6683fc136a2df0601f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08147",
    "kind": "arxiv",
    "version": 2
  }
}