Pith Number

pith:F2FCXD5K

pith:2019:F2FCXD5K2TLHVQJLCWPPDR4HUZ

not attested not anchored not stored refs pending

Language in Our Time: An Empirical Analysis of Hashtags

Yang Zhang

arxiv:1905.04590 v1 · 2019-05-11 · cs.SI · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2FCXD5K2TLHVQJLCWPPDR4HUZ}

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	2026-05-17T23:46:24.276253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e8a2b8faad4d67ac12b159ef1c787a6628256d1becec37ffadc1d550bf470a9

Aliases

arxiv: 1905.04590 · arxiv_version: 1905.04590v1 · doi: 10.48550/arxiv.1905.04590 · pith_short_12: F2FCXD5K2TLH · pith_short_16: F2FCXD5K2TLHVQJL · pith_short_8: F2FCXD5K

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/F2FCXD5K2TLHVQJLCWPPDR4HUZ \
  | 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: 2e8a2b8faad4d67ac12b159ef1c787a6628256d1becec37ffadc1d550bf470a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26018164f84e4afafc02137abeebca5821d0d757aec23350cbe33503c01e0ed5",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-05-11T20:47:30Z",
    "title_canon_sha256": "52a3ebf32c32210f1ab9b2f5204ed27cbe787e9c0cecbe97f218e76d76766276"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04590",
    "kind": "arxiv",
    "version": 1
  }
}