Pith Number

pith:FKE4MSZN

pith:2018:FKE4MSZNRAMIJG63TBSPQPTZH3

not attested not anchored not stored refs pending

Multichannel social signatures and persistent features of ego networks

J. Saram\"aki, R.I.M. Dunbar, S.G.B. Roberts, S. Heydari

arxiv:1806.02641 v1 · 2018-06-07 · 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{FKE4MSZNRAMIJG63TBSPQPTZH3}

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	2026-05-18T00:13:56.137663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a89c64b2d8818849bdb9864f83e793ed2b92aabe75053d7c62fa1cccdf96113

Aliases

arxiv: 1806.02641 · arxiv_version: 1806.02641v1 · doi: 10.48550/arxiv.1806.02641 · pith_short_12: FKE4MSZNRAMI · pith_short_16: FKE4MSZNRAMIJG63 · pith_short_8: FKE4MSZN

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/FKE4MSZNRAMIJG63TBSPQPTZH3 \
  | 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: 2a89c64b2d8818849bdb9864f83e793ed2b92aabe75053d7c62fa1cccdf96113

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "397f83521a2008438e8f3c77df41bd5b931691d9889de75dbc0f80f7431eba2d",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-06-07T12:31:05Z",
    "title_canon_sha256": "12364e8d05fd380b70efa32164324fa36a176240db70f1dd9e5625dfd3660606"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02641",
    "kind": "arxiv",
    "version": 1
  }
}