Pith Number

pith:UJF3HZSV

pith:2021:UJF3HZSVYFLBUOOVPT4BKPHTJW

not attested not anchored not stored refs pending

Optimal Seat Allocation Under Social Distancing Constraints

Claudio Gambella, Fabio Lorenzi, Joern Ploennigs, John Sheehan, Michael Barry

arxiv:2105.05017 v1 · 2021-05-11 · cs.OH · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJF3HZSVYFLBUOOVPT4BKPHTJW}

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	2026-07-05T02:39:27.213139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a24bb3e655c1561a39d57cf8153cf34d98f55233864810da81a1272b0c55e4bf

Aliases

arxiv: 2105.05017 · arxiv_version: 2105.05017v1 · doi: 10.48550/arxiv.2105.05017 · pith_short_12: UJF3HZSVYFLB · pith_short_16: UJF3HZSVYFLBUOOV · pith_short_8: UJF3HZSV

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/UJF3HZSVYFLBUOOVPT4BKPHTJW \
  | 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: a24bb3e655c1561a39d57cf8153cf34d98f55233864810da81a1272b0c55e4bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a58048e269aa72a6366e08df4ef22b64a5f252b3e069441e230e9bd4a5b4cd77",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2021-05-11T13:25:15Z",
    "title_canon_sha256": "a1c47ffb5f4680d69b5f8772f2c229524502aa0fa9c775c732f641f8a96ca044"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.05017",
    "kind": "arxiv",
    "version": 1
  }
}