Pith Number

pith:HKMNQIRG

pith:2012:HKMNQIRG6J5BXG2KLDYSLCWY3F

not attested not anchored not stored refs pending

Space-Constrained Interval Selection

Adi Rosen, Magnus M. Halldorsson, Yuval Emek

arxiv:1202.4326 v2 · 2012-02-20 · 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{HKMNQIRG6J5BXG2KLDYSLCWY3F}

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	2026-05-18T02:21:17.725257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a98d82226f27a1b9b4a58f1258ad8d960d9ed2d6a9e5ab80615cb232fca4593

Aliases

arxiv: 1202.4326 · arxiv_version: 1202.4326v2 · doi: 10.48550/arxiv.1202.4326 · pith_short_12: HKMNQIRG6J5B · pith_short_16: HKMNQIRG6J5BXG2K · pith_short_8: HKMNQIRG

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/HKMNQIRG6J5BXG2KLDYSLCWY3F \
  | 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: 3a98d82226f27a1b9b4a58f1258ad8d960d9ed2d6a9e5ab80615cb232fca4593

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26d5b778b4119bddb480eac3cdd553b1fa4e63f4dbb5891a138c5fc64cfb01c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-02-20T13:56:20Z",
    "title_canon_sha256": "adf823e348a65f8b7d7d33edf45de74ee0eabba97edf5e1f52aa7877d9173af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4326",
    "kind": "arxiv",
    "version": 2
  }
}