Pith Number

pith:7QRUVUCU

pith:2021:7QRUVUCUYNYF6SOQ3SDM2TGLFH

not attested not anchored not stored refs pending

Is preprint the future of science? A thirty year journey of online preprint services

Boya Xie, Kuansan Wang, Zhihong Shen

arxiv:2102.09066 v1 · 2021-02-17 · cs.DL · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QRUVUCUYNYF6SOQ3SDM2TGLFH}

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.

Cited by

2 papers in Pith

MIRAI: Prediction and Generation of High-Impact Academic Research

Hidden Secrets in the arXiv: Discovering, Analyzing, and Preventing Unintentional Information Disclosure in Source Files of Scientific Preprints

Receipt and verification

First computed	2026-07-05T02:16:18.978503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc234ad054c3705f49d0dc86cd4ccb29fe9151e586b697cf873e28dfbfa2934d

Aliases

arxiv: 2102.09066 · arxiv_version: 2102.09066v1 · doi: 10.48550/arxiv.2102.09066 · pith_short_12: 7QRUVUCUYNYF · pith_short_16: 7QRUVUCUYNYF6SOQ · pith_short_8: 7QRUVUCU

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/7QRUVUCUYNYF6SOQ3SDM2TGLFH \
  | 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: fc234ad054c3705f49d0dc86cd4ccb29fe9151e586b697cf873e28dfbfa2934d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dce15898b43030acf2129e63b9afcb6d9a61d8cd7c342630e5ca022aad6a766",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2021-02-17T23:08:01Z",
    "title_canon_sha256": "509bcced058d2b6119a6da214e63c00a122adddf3a373ce407e0f5ecffcbbaa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09066",
    "kind": "arxiv",
    "version": 1
  }
}