Pith Number

pith:V5UPR4HU

pith:2017:V5UPR4HU2BNOU7D2U577LNXX3E

not attested not anchored not stored refs pending

The Opacity Problem in Social Contagion

Christopher J. Cameron, George Berry, Michael W. Macy, Patrick Park

arxiv:1702.02700 v3 · 2017-02-09 · cs.SI · 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{V5UPR4HU2BNOU7D2U577LNXX3E}

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	2026-05-18T00:00:22.711630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af68f8f0f4d05aea7c7aa77ff5b6f7d934bb13b40fdb0936dc7cf26a805354dc

Aliases

arxiv: 1702.02700 · arxiv_version: 1702.02700v3 · doi: 10.48550/arxiv.1702.02700 · pith_short_12: V5UPR4HU2BNO · pith_short_16: V5UPR4HU2BNOU7D2 · pith_short_8: V5UPR4HU

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/V5UPR4HU2BNOU7D2U577LNXX3E \
  | 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: af68f8f0f4d05aea7c7aa77ff5b6f7d934bb13b40fdb0936dc7cf26a805354dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6d2de6f969423f62fc088d109ff3e760971f974afdcdeec5c499b8b2537f79b",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2017-02-09T04:30:31Z",
    "title_canon_sha256": "fdd0b604c7b71b3ccfbfa50e7ee93b5e0c1b07d7173d0762af869b484fa290f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02700",
    "kind": "arxiv",
    "version": 3
  }
}