Pith Number

pith:M5P57QO5

pith:2021:M5P57QO5W7R7PUQTLFGGHU7DHE

not attested not anchored not stored refs pending

Fixed-Price Approximations in Bilateral Trade

Francisco Pernice, Jan Vondr\'ak, Zi Yang Kang

arxiv:2107.14327 v2 · 2021-07-29 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M5P57QO5W7R7PUQTLFGGHU7DHE}

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	2026-07-05T03:42:02.852699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

675fdfc1ddb7e3f7d213594c63d3e3391a2015cf9ff2529c5b9d5262ff909699

Aliases

arxiv: 2107.14327 · arxiv_version: 2107.14327v2 · doi: 10.48550/arxiv.2107.14327 · pith_short_12: M5P57QO5W7R7 · pith_short_16: M5P57QO5W7R7PUQT · pith_short_8: M5P57QO5

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/M5P57QO5W7R7PUQTLFGGHU7DHE \
  | 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: 675fdfc1ddb7e3f7d213594c63d3e3391a2015cf9ff2529c5b9d5262ff909699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77d35982808216598d4ba6ef88f6a0bf8732429ec78a90d898cb6ed416efa158",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2021-07-29T20:51:27Z",
    "title_canon_sha256": "df55fba5636f45b01814de1aac42e4882be34268ab30eda92d814477b7248100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.14327",
    "kind": "arxiv",
    "version": 2
  }
}