Pith Number

pith:OTYX4WEA

pith:2020:OTYX4WEAQRWSSOU3HPCEGZN5J4

not attested not anchored not stored refs pending

Unsupervised and Interpretable Domain Adaptation to Rapidly Filter Tweets for Emergency Services

Hemant Purohit, Huzefa Rangwala, Jitin Krishnan

arxiv:2003.04991 v2 · 2020-03-04 · cs.CL · cs.LG · cs.SI · 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{OTYX4WEAQRWSSOU3HPCEGZN5J4}

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	2026-07-05T01:44:47.274525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74f17e5880846d293a9b3bc44365bd4f29ca09d48dfe06fdb2267111cb1c78b5

Aliases

arxiv: 2003.04991 · arxiv_version: 2003.04991v2 · doi: 10.48550/arxiv.2003.04991 · pith_short_12: OTYX4WEAQRWS · pith_short_16: OTYX4WEAQRWSSOU3 · pith_short_8: OTYX4WEA

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/OTYX4WEAQRWSSOU3HPCEGZN5J4 \
  | 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: 74f17e5880846d293a9b3bc44365bd4f29ca09d48dfe06fdb2267111cb1c78b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "248c8b06bccb76cee1c4359f9252eceb5e0574c3d318c509a3e74bf24186eb4a",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-03-04T06:40:14Z",
    "title_canon_sha256": "aaafd21cf5e484b6cf974630017da2adb22f66927d14692844d8f95e44c1c4cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.04991",
    "kind": "arxiv",
    "version": 2
  }
}