Pith Number

pith:ES6QABT7

pith:2017:ES6QABT7PS3JILMLHJAKWRTRHM

not attested not anchored not stored refs pending

What your Facebook Profile Picture Reveals about your Personality

Bruno Lepri, Cristina Segalin, David Stillwell, Fabio Celli, Luca Polonio, Marco Cristani, Michal Kosinski, Nicu Sebe

arxiv:1708.01292 v2 · 2017-08-03 · cs.CV · cs.CY · cs.MM · 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{ES6QABT7PS3JILMLHJAKWRTRHM}

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	2026-05-18T00:38:08.316827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24bd00067f7cb6942d8b3a40ab46713b0645563921526b673d28a42a8effc4e2

Aliases

arxiv: 1708.01292 · arxiv_version: 1708.01292v2 · doi: 10.48550/arxiv.1708.01292 · pith_short_12: ES6QABT7PS3J · pith_short_16: ES6QABT7PS3JILML · pith_short_8: ES6QABT7

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/ES6QABT7PS3JILMLHJAKWRTRHM \
  | 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: 24bd00067f7cb6942d8b3a40ab46713b0645563921526b673d28a42a8effc4e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8ca5a7ed4585bcda6c3476f3a158caeb328c0800b6cd90161e31ecd746dd2b2",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.MM",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-03T19:58:36Z",
    "title_canon_sha256": "e2aadcc7621a6294cd774d718aff1d3889218554c9c05c31d5625184e878b0e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01292",
    "kind": "arxiv",
    "version": 2
  }
}