Pith Number

pith:MHM2MCPJ

pith:2017:MHM2MCPJA5XBY4YU2W2ROOEWUT

not attested not anchored not stored refs pending

The co-evolution of emotional well-being with weak and strong friendship ties

Christoph Stadtfeld, Timon Elmer, Zsofia Boda

arxiv:1705.02935 v1 · 2017-05-03 · stat.AP · 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{MHM2MCPJA5XBY4YU2W2ROOEWUT}

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	2026-05-18T00:44:53.308886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61d9a609e9076e1c7314d5b5173896a4eacb5ed58d717edebcdac7c100acac17

Aliases

arxiv: 1705.02935 · arxiv_version: 1705.02935v1 · doi: 10.48550/arxiv.1705.02935 · pith_short_12: MHM2MCPJA5XB · pith_short_16: MHM2MCPJA5XBY4YU · pith_short_8: MHM2MCPJ

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/MHM2MCPJA5XBY4YU2W2ROOEWUT \
  | 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: 61d9a609e9076e1c7314d5b5173896a4eacb5ed58d717edebcdac7c100acac17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5528b63029bc00599673854aff1b7d8738ee35f22404402df2cd7f0544378d13",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2017-05-03T08:38:25Z",
    "title_canon_sha256": "91a4bba5c5ca19fcc9598a6abac8aed29256cb486105548fcdd60f06aac7055b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02935",
    "kind": "arxiv",
    "version": 1
  }
}