Pith Number

pith:E7EPJ3GW

pith:2015:E7EPJ3GWEFFPGC2AHT3JCAKCBF

not attested not anchored not stored refs pending

Optimal Auctions vs. Anonymous Pricing

Emmanouil Pountourakis, Jason Hartline, Rad Niazadeh, Saeed Alaei, Yang Yuan

arxiv:1507.02615 v1 · 2015-07-09 · cs.GT · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7EPJ3GWEFFPGC2AHT3JCAKCBF}

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	2026-05-18T00:58:10.601763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27c8f4ecd6214af30b403cf6910142097113ef9052b2647ff2b39a9a01b0abcd

Aliases

arxiv: 1507.02615 · arxiv_version: 1507.02615v1 · doi: 10.48550/arxiv.1507.02615 · pith_short_12: E7EPJ3GWEFFP · pith_short_16: E7EPJ3GWEFFPGC2A · pith_short_8: E7EPJ3GW

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/E7EPJ3GWEFFPGC2AHT3JCAKCBF \
  | 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: 27c8f4ecd6214af30b403cf6910142097113ef9052b2647ff2b39a9a01b0abcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f883dd7579802793771ee9cc682a8c986b0ed24886822883a82d4345e27ec502",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2015-07-09T17:42:37Z",
    "title_canon_sha256": "05c82433d57d68b70c38d70f1625c518e9033cdde5b36e88c651c45ac7e099af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02615",
    "kind": "arxiv",
    "version": 1
  }
}