Pith Number

pith:F2X4LWL7

pith:2010:F2X4LWL74GUTQOMRBC34HTUUQP

not attested not anchored not stored refs pending

Sequential item pricing for unlimited supply

Florin Constantin, Maria-Florina Balcan

arxiv:1009.4606 v2 · 2010-09-23 · 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{F2X4LWL74GUTQOMRBC34HTUUQP}

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	2026-05-18T04:37:32.852130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eafc5d97fe1a938399108b7c3ce9483fd87256048bd65471e850f88e56b1c4b

Aliases

arxiv: 1009.4606 · arxiv_version: 1009.4606v2 · doi: 10.48550/arxiv.1009.4606 · pith_short_12: F2X4LWL74GUT · pith_short_16: F2X4LWL74GUTQOMR · pith_short_8: F2X4LWL7

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/F2X4LWL74GUTQOMRBC34HTUUQP \
  | 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: 2eafc5d97fe1a938399108b7c3ce9483fd87256048bd65471e850f88e56b1c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a68cf5392dd87a41b8b20d91561367368ec1c6b7e0c3aa9c1550237e1487d712",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2010-09-23T13:13:15Z",
    "title_canon_sha256": "b3d179795d09ee0fd73ff55df356fde9e5d7b688d19876288ce3a80ba3bc8c60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4606",
    "kind": "arxiv",
    "version": 2
  }
}