Pith Number

pith:3SEAZLPD

pith:2017:3SEAZLPDZJMFLG4I3KFAXYEIAN

not attested not anchored not stored refs pending

The tipping point: a mathematical model for the profit-driven abandonment of restaurant tipping

Daniel M. Abrams, Eileen Herbers, Jack Chen, Sara M. Clifton

arxiv:1710.06893 v2 · 2017-09-09 · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3SEAZLPDZJMFLG4I3KFAXYEIAN}

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	2026-06-04T19:11:06.124376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc880cade3ca58559b88da8a0be08803418d11b15419344f8143920ae3fc3e01

Aliases

arxiv: 1710.06893 · arxiv_version: 1710.06893v2 · doi: 10.48550/arxiv.1710.06893 · pith_short_12: 3SEAZLPDZJMF · pith_short_16: 3SEAZLPDZJMFLG4I · pith_short_8: 3SEAZLPD

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/3SEAZLPDZJMFLG4I3KFAXYEIAN \
  | 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: dc880cade3ca58559b88da8a0be08803418d11b15419344f8143920ae3fc3e01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6f6ed3175158aa6a96e0a258cc1c0d716255610bb563baa534f048581e35bf4",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2017-09-09T02:35:24Z",
    "title_canon_sha256": "7103b56a2053abe3d3753bfd024941028d63116a5b970a9ec703c7b16b63eeb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06893",
    "kind": "arxiv",
    "version": 2
  }
}