Pith Number

pith:EA44KC3B

pith:2013:EA44KC3BWE4Q3D37IJTFLLQA6E

not attested not anchored not stored refs pending

XPath Node Selection over Grammar-Compressed Trees

INRIA), Sebastian Maneth (University of Edinburgh), Tom Sebastian (Innovimax

arxiv:1311.5573 v1 · 2013-11-21 · cs.DB · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EA44KC3BWE4Q3D37IJTFLLQA6E}

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	2026-05-18T03:06:23.873505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2039c50b61b1390d8f7f426655ae00f123f239df635f78d6aae0b4ef08470f4d

Aliases

arxiv: 1311.5573 · arxiv_version: 1311.5573v1 · doi: 10.48550/arxiv.1311.5573 · pith_short_12: EA44KC3BWE4Q · pith_short_16: EA44KC3BWE4Q3D37 · pith_short_8: EA44KC3B

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/EA44KC3BWE4Q3D37IJTFLLQA6E \
  | 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: 2039c50b61b1390d8f7f426655ae00f123f239df635f78d6aae0b4ef08470f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1fa8cce3aa0d7c9e13f7005a0a6d262d91bf0ef836d8ee6c4ffb26a592aa891",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-11-21T21:01:02Z",
    "title_canon_sha256": "2ca865e0ff487f5037c3760a74d98d52dd207a733b3bbf5ba7e6df350c39fc69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5573",
    "kind": "arxiv",
    "version": 1
  }
}