Pith Number

pith:D6MXH3GC

pith:2014:D6MXH3GC4K2VWLNG72PIVLNMH7

not attested not anchored not stored refs pending

Twitter User Classification using Ambient Metadata

Chirag Nagpal, Khushboo Singhal

arxiv:1407.8499 v1 · 2014-07-31 · cs.SI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6MXH3GC4K2VWLNG72PIVLNMH7}

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	2026-05-18T02:46:04.993671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f9973ecc2e2b55b2da6fe9e8aadac3febd417ef3a335f734badd88ae24070e7

Aliases

arxiv: 1407.8499 · arxiv_version: 1407.8499v1 · doi: 10.48550/arxiv.1407.8499 · pith_short_12: D6MXH3GC4K2V · pith_short_16: D6MXH3GC4K2VWLNG · pith_short_8: D6MXH3GC

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/D6MXH3GC4K2VWLNG72PIVLNMH7 \
  | 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: 1f9973ecc2e2b55b2da6fe9e8aadac3febd417ef3a335f734badd88ae24070e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0294c446947f1589bb0418a9f67c3c0b522ff952cc9e6c3f970fa9ca68799ff6",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2014-07-31T17:55:25Z",
    "title_canon_sha256": "76de027ee4523664943f2d729825eedaf203e5ea63fb0917a5d3f0a08226eecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8499",
    "kind": "arxiv",
    "version": 1
  }
}