Pith Number

pith:UHREYH6H

pith:2015:UHREYH6HWIIX7IVIUL52E33EF3

not attested not anchored not stored refs pending

Dynamic Relative Compression, Dynamic Partial Sums, and Substring Concatenation

Frederik Rye Skjoldjensen, Hjalte Wedel Vildh{\o}j, Inge Li G{\o}rtz, Patrick Hagge Cording, Philip Bille, S{\o}ren Vind

arxiv:1504.07851 v5 · 2015-04-29 · 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{UHREYH6HWIIX7IVIUL52E33EF3}

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	2026-05-18T01:04:33.344818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1e24c1fc7b2117fa2a8a2fba26f642eea4d2bb0b223a3eefe4e376d94189d14

Aliases

arxiv: 1504.07851 · arxiv_version: 1504.07851v5 · doi: 10.48550/arxiv.1504.07851 · pith_short_12: UHREYH6HWIIX · pith_short_16: UHREYH6HWIIX7IVI · pith_short_8: UHREYH6H

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/UHREYH6HWIIX7IVIUL52E33EF3 \
  | 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: a1e24c1fc7b2117fa2a8a2fba26f642eea4d2bb0b223a3eefe4e376d94189d14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48fa65c34b7305b6e044b5ede7379f15f12695d4dfbd8ee79d7498ace35a3ad2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-04-29T13:31:48Z",
    "title_canon_sha256": "0ca441e444d8be8f222d55bc5fcf9e021c9899335130f4ee2dbfd46c5b2ffc3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07851",
    "kind": "arxiv",
    "version": 5
  }
}