Pith Number

pith:2PYFFFJZ

pith:2026:2PYFFFJZWAEDS5WDN7YDUI4GIR

not attested not anchored not stored refs pending

Pangram 4 Technical Report

Ben Glickenhaus, Bradley Emi, Elyas Masrour, Jenna Russell, Katherine Thai, Max Spero, Yue Han

arxiv:2607.27183 v1 · 2026-07-29 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PYFFFJZWAEDS5WDN7YDUI4GIR}

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	2026-07-30T01:23:59.568280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

d3f0529539b0083976c36ff03a23864455478b7f731844919d5abd9d1ee29622

Aliases

arxiv: 2607.27183 · arxiv_version: 2607.27183v1 · doi: 10.48550/arxiv.2607.27183 · pith_short_12: 2PYFFFJZWAED · pith_short_16: 2PYFFFJZWAEDS5WD · pith_short_8: 2PYFFFJZ

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/2PYFFFJZWAEDS5WDN7YDUI4GIR \
  | 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: d3f0529539b0083976c36ff03a23864455478b7f731844919d5abd9d1ee29622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c5d1342633f444c4853f88005524d8ed4a74b1e777b8415953d19ce58b4b0ef",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-29T17:53:01Z",
    "title_canon_sha256": "d6f5bf548956f8e6c82b462e145d630247d9c87e3298eaf24faaf352a0e93539"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27183",
    "kind": "arxiv",
    "version": 1
  }
}