Pith Number

pith:DC66FVN3

pith:2015:DC66FVN3BXF6MGDY2I6KNFERXM

not attested not anchored not stored refs pending

Traversing Grammar-Compressed Trees with Constant Delay

Carl Philipp Reh, Markus Lohrey, Sebastian Maneth

arxiv:1511.02141 v2 · 2015-11-06 · 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{DC66FVN3BXF6MGDY2I6KNFERXM}

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	2026-05-18T01:27:21.859600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18bde2d5bb0dcbe61878d23ca69491bb21c742372b4e167936ac711e9b58f4d0

Aliases

arxiv: 1511.02141 · arxiv_version: 1511.02141v2 · doi: 10.48550/arxiv.1511.02141 · pith_short_12: DC66FVN3BXF6 · pith_short_16: DC66FVN3BXF6MGDY · pith_short_8: DC66FVN3

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/DC66FVN3BXF6MGDY2I6KNFERXM \
  | 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: 18bde2d5bb0dcbe61878d23ca69491bb21c742372b4e167936ac711e9b58f4d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade56d453d6b134b8174e179de89335b19d319410c308899f34a52833d23a0fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-11-06T16:29:47Z",
    "title_canon_sha256": "8781d62e72a1ffbcf3e22bc737d7ccf8e7d01806ce1abc8afe956d7fb7f20984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02141",
    "kind": "arxiv",
    "version": 2
  }
}