Pith Number

pith:UHKMHQMK

pith:2014:UHKMHQMK2VH2E45OQEEZRHHM42

not attested not anchored not stored refs pending

When is it Biased? Assessing the Representativeness of Twitter's Streaming API

Fred Morstatter, Huan Liu, J\"urgen Pfeffer

arxiv:1401.7909 v1 · 2014-01-30 · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHKMHQMK2VH2E45OQEEZRHHM42}

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	2026-05-18T03:00:37.891542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1d4c3c18ad54fa273ae8109989cece6af97cf5fd8eb37e0eeabb7756d95bf87

Aliases

arxiv: 1401.7909 · arxiv_version: 1401.7909v1 · doi: 10.48550/arxiv.1401.7909 · pith_short_12: UHKMHQMK2VH2 · pith_short_16: UHKMHQMK2VH2E45O · pith_short_8: UHKMHQMK

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/UHKMHQMK2VH2E45OQEEZRHHM42 \
  | 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: a1d4c3c18ad54fa273ae8109989cece6af97cf5fd8eb37e0eeabb7756d95bf87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91dbc22aab1254ea7455f3d60e77da04bea7030af0469b84f963b7343a9a6143",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2014-01-30T16:27:14Z",
    "title_canon_sha256": "2683285b731a4c4debd29a54abfb2d17720ddb39f917576dca83bdea5c468b6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7909",
    "kind": "arxiv",
    "version": 1
  }
}