Pith Number

pith:PN2BR2AR

pith:2018:PN2BR2AR5AWBYCQZDRPAKQ7WT5

not attested not anchored not stored refs pending

On-the-fly Detection of Autogenerated Tweets

Antonio Matosevic, Jonas Lundberg, Jonas Nordqvist

arxiv:1802.01197 v1 · 2018-02-04 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PN2BR2AR5AWBYCQZDRPAKQ7WT5}

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	2026-05-18T00:24:27.079040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b7418e811e82c1c0a191c5e0543f69f7224950004138bbc176e11176384aecf

Aliases

arxiv: 1802.01197 · arxiv_version: 1802.01197v1 · doi: 10.48550/arxiv.1802.01197 · pith_short_12: PN2BR2AR5AWB · pith_short_16: PN2BR2AR5AWBYCQZ · pith_short_8: PN2BR2AR

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/PN2BR2AR5AWBYCQZDRPAKQ7WT5 \
  | 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: 7b7418e811e82c1c0a191c5e0543f69f7224950004138bbc176e11176384aecf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc153fc275841e11daf0b6d2e1edcd3e18d1d727505586e645bbf7b9dc5348d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-02-04T21:26:50Z",
    "title_canon_sha256": "b3dc92bd5c1734e75e59984c65e0f0a1dfdc4f77fa18ebfe3d40e94ddc46e751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01197",
    "kind": "arxiv",
    "version": 1
  }
}