Pith Number

pith:GXAVIBQR

pith:2015:GXAVIBQRPTWVPVWWCPRIQCLEWS

not attested not anchored not stored refs pending

Subtree Isomorphism Revisited

Amir Abboud, Arturs Backurs, Or Zamir, Thomas Dueholm Hansen, Virginia Vassilevska Williams

arxiv:1510.04622 v1 · 2015-10-15 · cs.CC · 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{GXAVIBQRPTWVPVWWCPRIQCLEWS}

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	2026-05-18T01:30:02.096519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35c15406117ced57d6d613e2880964b48e8bfc211f4e5027b80a257f1bcac559

Aliases

arxiv: 1510.04622 · arxiv_version: 1510.04622v1 · doi: 10.48550/arxiv.1510.04622 · pith_short_12: GXAVIBQRPTWV · pith_short_16: GXAVIBQRPTWVPVWW · pith_short_8: GXAVIBQR

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/GXAVIBQRPTWVPVWWCPRIQCLEWS \
  | 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: 35c15406117ced57d6d613e2880964b48e8bfc211f4e5027b80a257f1bcac559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb6a8d635fea0ea4ee0272c2ad3534cd5dce21b38bdd6009307c1eafd1ba0fb3",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-10-15T16:50:31Z",
    "title_canon_sha256": "4e805a5f3dce5e8899b138ccab0c90a1a6ee5bec118e2a04818d2d768f27ca0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04622",
    "kind": "arxiv",
    "version": 1
  }
}