Pith Number

pith:4FZ43KE5

pith:2015:4FZ43KE5XVXU7A6H4ENDRTTVFN

not attested not anchored not stored refs pending

The Cloud Needs a Reputation System

Carlee Joe-Won, Eric Keller, Hani Jamjoom, Murad Kablan, Sangtae Ha

arxiv:1509.09057 v1 · 2015-09-30 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FZ43KE5XVXU7A6H4ENDRTTVFN}

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	2026-05-18T01:31:29.209132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e173cda89dbd6f4f83c7e11a38ce752b5d517de83bd6ca32b75c95e744ab1722

Aliases

arxiv: 1509.09057 · arxiv_version: 1509.09057v1 · doi: 10.48550/arxiv.1509.09057 · pith_short_12: 4FZ43KE5XVXU · pith_short_16: 4FZ43KE5XVXU7A6H · pith_short_8: 4FZ43KE5

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/4FZ43KE5XVXU7A6H4ENDRTTVFN \
  | 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: e173cda89dbd6f4f83c7e11a38ce752b5d517de83bd6ca32b75c95e744ab1722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ddb981101bcc09e3fd9434c29a93009abc02ea60946b4f65b368b976457513a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2015-09-30T08:13:35Z",
    "title_canon_sha256": "396efaa0399288d579a4bcc846ff82e8fd3ebec57841999486dbf715386c87ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.09057",
    "kind": "arxiv",
    "version": 1
  }
}