Pith Number

pith:R46YZXZM

pith:2015:R46YZXZMHMV7QF7O7YF7Y35DJH

not attested not anchored not stored refs pending

Characterizing the Demographics Behind the #BlackLivesMatter Movement

Alexandra Olteanu, Daniel Gatica-Perez, Ingmar Weber

arxiv:1512.05671 v1 · 2015-12-17 · 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{R46YZXZMHMV7QF7O7YF7Y35DJH}

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	2026-05-18T01:24:09.523250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f3d8cdf2c3b2bf817eefe0bfc6fa349d6b1ad7c6b0dd2dcff1b74a856e451d4

Aliases

arxiv: 1512.05671 · arxiv_version: 1512.05671v1 · doi: 10.48550/arxiv.1512.05671 · pith_short_12: R46YZXZMHMV7 · pith_short_16: R46YZXZMHMV7QF7O · pith_short_8: R46YZXZM

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/R46YZXZMHMV7QF7O7YF7Y35DJH \
  | 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: 8f3d8cdf2c3b2bf817eefe0bfc6fa349d6b1ad7c6b0dd2dcff1b74a856e451d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e87d9a658152024aab99e45f831e2248e6e569563407e3b708484aead14a3623",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-12-17T16:57:33Z",
    "title_canon_sha256": "8c65b990ac9e5f83c454b841160faac884cb74566326f67443964083c43feb8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05671",
    "kind": "arxiv",
    "version": 1
  }
}