Pith Number

pith:XJK4I5RX

pith:2015:XJK4I5RXDIL6WJOOYD63H4SBTR

not attested not anchored not stored refs pending

Adapting sentiment analysis for tweets linking to scientific papers

Natalie Friedrich, Stefanie Haustein, Timothy D. Bowman, Wolfgang G. Stock

arxiv:1507.01967 v1 · 2015-07-07 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJK4I5RXDIL6WJOOYD63H4SBTR}

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	2026-05-18T01:37:10.588084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba55c476371a17eb25cec0fdb3f2419c7fdb36226045dc86f7a93974e33853e5

Aliases

arxiv: 1507.01967 · arxiv_version: 1507.01967v1 · doi: 10.48550/arxiv.1507.01967 · pith_short_12: XJK4I5RXDIL6 · pith_short_16: XJK4I5RXDIL6WJOO · pith_short_8: XJK4I5RX

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/XJK4I5RXDIL6WJOOYD63H4SBTR \
  | 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: ba55c476371a17eb25cec0fdb3f2419c7fdb36226045dc86f7a93974e33853e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f99418a19a5c9379f969f05aeabae117cf8241568991b36024d16f82467b723",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-07-07T21:00:32Z",
    "title_canon_sha256": "b742091fd26ef1c522684428a69fc05bb4b10cf6621358a6b9edc31e00e68b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01967",
    "kind": "arxiv",
    "version": 1
  }
}