Pith Number

pith:QVDIK2SL

pith:2014:QVDIK2SLDTLTJUASUS56SCEKLQ

not attested not anchored not stored refs pending

Social Bootstrapping: How Pinterest and Last.fm Social Communities Benefit by Borrowing Links from Facebook

Changtao Zhong, Marius Cobzarenco, Meeyoung Cha, Mostafa Salehi, Nishanth Sastry, Sunil Shah

arxiv:1402.6500 v2 · 2014-02-26 · cs.SI · cs.CY · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVDIK2SLDTLTJUASUS56SCEKLQ}

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	2026-05-18T02:55:47.875238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8546856a4b1cd734d012a4bbe9088a5c08136d2b3575495ca43516b3e4a88389

Aliases

arxiv: 1402.6500 · arxiv_version: 1402.6500v2 · doi: 10.48550/arxiv.1402.6500 · pith_short_12: QVDIK2SLDTLT · pith_short_16: QVDIK2SLDTLTJUAS · pith_short_8: QVDIK2SL

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/QVDIK2SLDTLTJUASUS56SCEKLQ \
  | 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: 8546856a4b1cd734d012a4bbe9088a5c08136d2b3575495ca43516b3e4a88389

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e9fb668e4c0dfe0a059d10a51cc081dc88e1040355ff35e44dee89d27c10161",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2014-02-26T11:40:40Z",
    "title_canon_sha256": "c9044196b70d24397f44acc0a92eb3c7700e00355baa26f155e8ea4040252dce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6500",
    "kind": "arxiv",
    "version": 2
  }
}