Pith Number

pith:WQKTITFB

pith:2018:WQKTITFBPZYMVAAKR6NYNFRU4D

not attested not anchored not stored refs pending

Identifying exogenous and endogenous activity in social media

Alexey Medvedev, Kazuki Fujita, Renaud Lambiotte, Shigeru Shinomoto, Shinsuke Koyama

arxiv:1808.00810 v1 · 2018-08-02 · physics.soc-ph · 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{WQKTITFBPZYMVAAKR6NYNFRU4D}

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	2026-05-18T00:00:18.642633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b415344ca17e70ca800a8f9b869634e0c045532fb989ac076bbf8a27b104f636

Aliases

arxiv: 1808.00810 · arxiv_version: 1808.00810v1 · doi: 10.48550/arxiv.1808.00810 · pith_short_12: WQKTITFBPZYM · pith_short_16: WQKTITFBPZYMVAAK · pith_short_8: WQKTITFB

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/WQKTITFBPZYMVAAKR6NYNFRU4D \
  | 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: b415344ca17e70ca800a8f9b869634e0c045532fb989ac076bbf8a27b104f636

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2e425e826bb8222adfd7bcc1b4c7936ca4a93def74af6411d2a6ab3acbb3cc3",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-08-02T13:42:37Z",
    "title_canon_sha256": "7b2df34dbd23fbbcf1717d6e8a56fe94d071707759b61a7dd27235b77b09ae2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00810",
    "kind": "arxiv",
    "version": 1
  }
}