Pith Number

pith:2HMCFUDE

pith:2021:2HMCFUDE5BO2NKXERH34VYG63K

not attested not anchored not stored refs pending

Mechanisms and Attributes of Echo Chambers in Social Media

Bohan Jiang, Huan Liu, Lu Cheng, Mansooreh Karami, Tyler Black

arxiv:2106.05401 v3 · 2021-06-09 · cs.SI · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HMCFUDE5BO2NKXERH34VYG63K}

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	2026-07-05T03:05:13.269858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1d822d064e85da6aae489f7cae0deda93706b02e21fcbb893685aac15f4d477

Aliases

arxiv: 2106.05401 · arxiv_version: 2106.05401v3 · doi: 10.48550/arxiv.2106.05401 · pith_short_12: 2HMCFUDE5BO2 · pith_short_16: 2HMCFUDE5BO2NKXE · pith_short_8: 2HMCFUDE

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/2HMCFUDE5BO2NKXERH34VYG63K \
  | 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: d1d822d064e85da6aae489f7cae0deda93706b02e21fcbb893685aac15f4d477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a72e931e4e6cade1c6c5f084ee00cd0d0057a4cdc996ace513f09bbd422224e9",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2021-06-09T21:34:01Z",
    "title_canon_sha256": "cc4b6f48981a0a651a76b2cbf4992bda7e683ff1994a2fd89d3098eb95513c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05401",
    "kind": "arxiv",
    "version": 3
  }
}