Pith Number

pith:47ABDQS7

pith:2018:47ABDQS7MW3J3TLCDRU3LAH2KP

not attested not anchored not stored refs pending

What do the US West Coast Public Libraries Post on Twitter?

Amir Karami, Matthew Collins

arxiv:1808.06021 v2 · 2018-08-17 · cs.CY · cs.CL · stat.AP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47ABDQS7MW3J3TLCDRU3LAH2KP}

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	2026-05-18T00:04:33.921067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7c011c25f65b69dcd621c69b580fa53e0a53722dfcfc817797c8a14945e114a

Aliases

arxiv: 1808.06021 · arxiv_version: 1808.06021v2 · doi: 10.48550/arxiv.1808.06021 · pith_short_12: 47ABDQS7MW3J · pith_short_16: 47ABDQS7MW3J3TLC · pith_short_8: 47ABDQS7

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/47ABDQS7MW3J3TLCDRU3LAH2KP \
  | 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: e7c011c25f65b69dcd621c69b580fa53e0a53722dfcfc817797c8a14945e114a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fff0aef6e620e219913a68b83e11fd4262b94d6ae3d5b8b2fc1fbcd5a88fa949",
    "cross_cats_sorted": [
      "cs.CL",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-08-17T23:50:01Z",
    "title_canon_sha256": "c27ae0c07b96af0b1fabfb27e26067661b8a9ce1e2d9f9f6c22e5e1ccd6dd72c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06021",
    "kind": "arxiv",
    "version": 2
  }
}