Pith Number

pith:P2P5MGZ4

pith:2018:P2P5MGZ4JUIFICQVTSHC3NA7EM

not attested not anchored not stored refs pending

Polypus: a Big Data Self-Deployable Architecture for Microblogging Text Extraction and Real-Time Sentiment Analysis

Juan C. Pichel, Pablo Gamallo, Rodrigo Mart\'inez-Casta\~no

arxiv:1801.03710 v1 · 2018-01-11 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2P5MGZ4JUIFICQVTSHC3NA7EM}

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	2026-05-18T00:26:13.630368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e9fd61b3c4d10540a159c8e2db41f2300f6f816ccb628c275e67b77b520ff9b

Aliases

arxiv: 1801.03710 · arxiv_version: 1801.03710v1 · doi: 10.48550/arxiv.1801.03710 · pith_short_12: P2P5MGZ4JUIF · pith_short_16: P2P5MGZ4JUIFICQV · pith_short_8: P2P5MGZ4

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/P2P5MGZ4JUIFICQVTSHC3NA7EM \
  | 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: 7e9fd61b3c4d10540a159c8e2db41f2300f6f816ccb628c275e67b77b520ff9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d9203cb4059a8b5c721e98ce39b9b9ef61d42645c4135f23074273c91175724",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-01-11T11:11:31Z",
    "title_canon_sha256": "172644b0f706524c8c1eda38f1ee27c0fa5303b5f1c71aa542b27b2c25c6a6a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03710",
    "kind": "arxiv",
    "version": 1
  }
}