Pith Number

pith:7KDUXHMW

pith:2015:7KDUXHMWOUXI7OFXE2ONJJUWQR

not attested not anchored not stored refs pending

Utility-based Link Recommendation for Online Social Networks

Olivia Sheng, Xiao Fang, Xue Bai, Zhepeng Li

arxiv:1512.06840 v2 · 2015-12-21 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KDUXHMWOUXI7OFXE2ONJJUWQR}

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	2026-05-18T01:18:52.314082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa874b9d96752e8fb8b7269cd4a696845f862c2966b9b1c7d8c9afee885498fb

Aliases

arxiv: 1512.06840 · arxiv_version: 1512.06840v2 · doi: 10.48550/arxiv.1512.06840 · pith_short_12: 7KDUXHMWOUXI · pith_short_16: 7KDUXHMWOUXI7OFX · pith_short_8: 7KDUXHMW

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/7KDUXHMWOUXI7OFXE2ONJJUWQR \
  | 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: fa874b9d96752e8fb8b7269cd4a696845f862c2966b9b1c7d8c9afee885498fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45c2c050cf8bd8269875a4b5defa19dbd045bc799c0bf71d1aa5945536257de3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-12-21T20:58:44Z",
    "title_canon_sha256": "761f44693260d0172c5684f363e4ccb0726f09b4fff8ef83aa3c33c9f2a9b661"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06840",
    "kind": "arxiv",
    "version": 2
  }
}