Pith Number

pith:Y6VNX2JT

pith:2026:Y6VNX2JT35JEDBJUQKIIJOPZPV

not attested not anchored not stored refs pending

Measuring Alignment With Reader Highlights Net of Position and Length

Kazuki Nakayashiki, Keisuke Watanabe

arxiv:2607.27739 v1 · 2026-07-30 · cs.IR · cs.CL · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6VNX2JT35JEDBJUQKIIJOPZPV}

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	2026-07-31T01:30:07.748088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

c7aadbe933df52418534829084b9f97d67ee7b2029887f4429796bebf4330827

Aliases

arxiv: 2607.27739 · arxiv_version: 2607.27739v1 · doi: 10.48550/arxiv.2607.27739 · pith_short_12: Y6VNX2JT35JE · pith_short_16: Y6VNX2JT35JEDBJU · pith_short_8: Y6VNX2JT

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/Y6VNX2JT35JEDBJUQKIIJOPZPV \
  | 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: c7aadbe933df52418534829084b9f97d67ee7b2029887f4429796bebf4330827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d779295621182eb692ec4fefe41ad832def2ffada25993f66f94b266eaa2356e",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-07-30T06:24:38Z",
    "title_canon_sha256": "d9dc8ffa86e9dda21a4db95256e22abea4b08fe3e3f15ea6bdf22f7d5fcb73b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27739",
    "kind": "arxiv",
    "version": 1
  }
}