Pith Number

pith:NTSHUZ5I

pith:2026:NTSHUZ5IT4WX2I6COOGO5ZDUDM

not attested not anchored not stored refs pending

Personalized Assessments from Personal Artifacts

Jaromir Savelka, Majd Sakr, Seth Copen Goldstein, Yufan Zhang

arxiv:2607.16494 v1 · 2026-07-17 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NTSHUZ5IT4WX2I6COOGO5ZDUDM}

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	2026-07-21T00:20:21.544840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ce47a67a89f2d7d23c2738ceee4741b05d399afbf14c2a17eb3ce64f34cb82d

Aliases

arxiv: 2607.16494 · arxiv_version: 2607.16494v1 · doi: 10.48550/arxiv.2607.16494 · pith_short_12: NTSHUZ5IT4WX · pith_short_16: NTSHUZ5IT4WX2I6C · pith_short_8: NTSHUZ5I

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/NTSHUZ5IT4WX2I6COOGO5ZDUDM \
  | 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: 6ce47a67a89f2d7d23c2738ceee4741b05d399afbf14c2a17eb3ce64f34cb82d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52ff0038056f671e0d9041f7034f5fc0937c45996b2290170152d76c51eab923",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-17T20:33:44Z",
    "title_canon_sha256": "e87f9374fcdb93f064908db3ef75a7909bdec77c7d4241edbfb9b1cff6c212c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16494",
    "kind": "arxiv",
    "version": 1
  }
}