Pith Number

pith:VX5WULMN

pith:2011:VX5WULMNFEFOVICWZMSPYW3NPI

not attested not anchored not stored refs pending

Deconstructing Approximate Offsets

Dan Halperin, Eric Berberich, Michael Kerber, Roza Pogalnikova

arxiv:1109.2158 v1 · 2011-09-09 · cs.CG · 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{VX5WULMNFEFOVICWZMSPYW3NPI}

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	2026-05-18T04:13:38.395065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adfb6a2d8d290aeaa056cb24fc5b6d7a2b50cfd35b72336a3b791899755e1774

Aliases

arxiv: 1109.2158 · arxiv_version: 1109.2158v1 · doi: 10.48550/arxiv.1109.2158 · pith_short_12: VX5WULMNFEFO · pith_short_16: VX5WULMNFEFOVICW · pith_short_8: VX5WULMN

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/VX5WULMNFEFOVICWZMSPYW3NPI \
  | 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: adfb6a2d8d290aeaa056cb24fc5b6d7a2b50cfd35b72336a3b791899755e1774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "697390524e6a41e4367d942e2b969f0bdf0be66996a8988bedbb42ab743645a4",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-09-09T20:53:39Z",
    "title_canon_sha256": "10b56478465b633767b43dc9b182faca2a533b095b6685b7586e4016ab8f747e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2158",
    "kind": "arxiv",
    "version": 1
  }
}