Pith Number

pith:FN2GS3RQ

pith:2015:FN2GS3RQSSMRF5J4KNISHJDSHQ

not attested not anchored not stored refs pending

The User Behavior in Facebook and its Development from 2009 until 2014

Daniel Puscher, Thomas Paul, Thorsten Strufe

arxiv:1505.04943 v1 · 2015-05-19 · 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{FN2GS3RQSSMRF5J4KNISHJDSHQ}

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	2026-05-18T02:05:22.705000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b74696e30949912f53c535123a4723c081f2f6b2236a702bcb877b884a64152

Aliases

arxiv: 1505.04943 · arxiv_version: 1505.04943v1 · doi: 10.48550/arxiv.1505.04943 · pith_short_12: FN2GS3RQSSMR · pith_short_16: FN2GS3RQSSMRF5J4 · pith_short_8: FN2GS3RQ

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/FN2GS3RQSSMRF5J4KNISHJDSHQ \
  | 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: 2b74696e30949912f53c535123a4723c081f2f6b2236a702bcb877b884a64152

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e315f6c97b42d133552260980a59788f2b7a96696a8c769221257c34820e6dab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-05-19T10:24:14Z",
    "title_canon_sha256": "0f9c9a0835c0cf4f53f324923d70f6e77a4ca10bd09d9fdd819ad2876b0c1919"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04943",
    "kind": "arxiv",
    "version": 1
  }
}