Pith Number

pith:L6H4DFUQ

pith:2015:L6H4DFUQHUAQQHK4TMCSFOJFPB

not attested not anchored not stored refs pending

Emoticons vs. Emojis on Twitter: A Causal Inference Approach

Jacob Eisenstein, Umashanthi Pavalanathan

arxiv:1510.08480 v1 · 2015-10-28 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L6H4DFUQHUAQQHK4TMCSFOJFPB}

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	2026-05-18T01:28:28.866440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f8fc196903d01081d5c9b0522b925786b3e63be0224bc6a0a707cb2165d9709

Aliases

arxiv: 1510.08480 · arxiv_version: 1510.08480v1 · doi: 10.48550/arxiv.1510.08480 · pith_short_12: L6H4DFUQHUAQ · pith_short_16: L6H4DFUQHUAQQHK4 · pith_short_8: L6H4DFUQ

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/L6H4DFUQHUAQQHK4TMCSFOJFPB \
  | 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: 5f8fc196903d01081d5c9b0522b925786b3e63be0224bc6a0a707cb2165d9709

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b38771d0ce08c92835dcd3787a4078505e4b392f21a64d24d7104c0b4383371a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-10-28T20:41:30Z",
    "title_canon_sha256": "6ceb5c439dae63aad57e29fc71593c5544dae826e0258076d60b7e8587b0e283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08480",
    "kind": "arxiv",
    "version": 1
  }
}