Pith Number

pith:H3E2UUEB

pith:2015:H3E2UUEB44QVO5JLDT5DSD57QD

not attested not anchored not stored refs pending

Hyperlinks embedded in Twitter as a proxy for total external inlinks to international university websites

Daniel Torres-Salinas, Emilio Delgado Lopez-Cozar, Enrique Orduna-Malea

arxiv:1502.04250 v1 · 2015-02-14 · 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{H3E2UUEB44QVO5JLDT5DSD57QD}

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	2026-05-18T02:27:00.126752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ec9aa5081e72157752b1cfa390fbf80c7089001d9625579e9f8f54104a9a75e

Aliases

arxiv: 1502.04250 · arxiv_version: 1502.04250v1 · doi: 10.48550/arxiv.1502.04250 · pith_short_12: H3E2UUEB44QV · pith_short_16: H3E2UUEB44QVO5JL · pith_short_8: H3E2UUEB

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/H3E2UUEB44QVO5JLDT5DSD57QD \
  | 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: 3ec9aa5081e72157752b1cfa390fbf80c7089001d9625579e9f8f54104a9a75e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb4f8823309ac92960ea9b18b6180cd08f8784e597b12a8f20e1c4e10905476b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-02-14T21:50:57Z",
    "title_canon_sha256": "fd26d11dac4b37238617c18c7fb4e01bba2644b7e9000d16755518877ed068b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04250",
    "kind": "arxiv",
    "version": 1
  }
}