Pith Number

pith:HFI2JEOR

pith:2011:HFI2JEORESFT4I57JJVEMSE63M

not attested not anchored not stored refs pending

Optimal query/update tradeoffs in versioned dictionaries

Andrew Byde, Andy Twigg

arxiv:1103.2566 v2 · 2011-03-13 · cs.DS · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HFI2JEORESFT4I57JJVEMSE63M}

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	2026-05-18T02:22:19.542617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3951a491d1248b3e23bf4a6a46489edb23701eb442196a3e717ddb48d6ae5108

Aliases

arxiv: 1103.2566 · arxiv_version: 1103.2566v2 · doi: 10.48550/arxiv.1103.2566 · pith_short_12: HFI2JEORESFT · pith_short_16: HFI2JEORESFT4I57 · pith_short_8: HFI2JEOR

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/HFI2JEORESFT4I57JJVEMSE63M \
  | 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: 3951a491d1248b3e23bf4a6a46489edb23701eb442196a3e717ddb48d6ae5108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "130c233626b0b10640b66f5138255dfce5dd27c2533085ce3fa1d55b68bdb6f6",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-03-13T23:35:48Z",
    "title_canon_sha256": "c7a9b103086c213ef909cce0a08364f13e25f2127155d41c5b52faea9251ee88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2566",
    "kind": "arxiv",
    "version": 2
  }
}