Pith Number

pith:CNZMKGIL

pith:2019:CNZMKGILLCQRBWPW3UNGA5ODXW

not attested not anchored not stored refs pending

Archive Assisted Archival Fixity Verification Framework

Michael L. Nelson, Michele C. Weigle, Mohamed Aturban, Sawood Alam

arxiv:1905.12565 v1 · 2019-05-29 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNZMKGILLCQRBWPW3UNGA5ODXW}

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	2026-05-17T23:44:43.954197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1372c5190b58a110d9f6dd1a6075c3bd8102e52a30aa63d81f091ec2b6461db8

Aliases

arxiv: 1905.12565 · arxiv_version: 1905.12565v1 · doi: 10.48550/arxiv.1905.12565 · pith_short_12: CNZMKGILLCQR · pith_short_16: CNZMKGILLCQRBWPW · pith_short_8: CNZMKGIL

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/CNZMKGILLCQRBWPW3UNGA5ODXW \
  | 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: 1372c5190b58a110d9f6dd1a6075c3bd8102e52a30aa63d81f091ec2b6461db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "589f2e633ddb66f6b5218ae428ce6b92565a0f9b89ffbb99946e12d66e23d8a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2019-05-29T16:16:59Z",
    "title_canon_sha256": "27f8a8c7949c37c6d70ce04bb971f22e602c084a77270689828a77f1cea89856"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12565",
    "kind": "arxiv",
    "version": 1
  }
}