Pith Number

pith:VEUMT7U5

pith:2021:VEUMT7U5L763SC4GW3YQVXFG3R

not attested not anchored not stored refs pending

Metrics and Mechanisms: Measuring the Unmeasurable in the Science of Science

Aniket Kittur, Erin Leahey, Hyejin Youn, Lingfei Wu, Sta\v{s}a Milojevi\'c, Stephen M. Fiore, Yong Yeol Ahn

arxiv:2111.07250 v3 · 2021-11-14 · physics.soc-ph · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VEUMT7U5L763SC4GW3YQVXFG3R}

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	2026-07-05T04:12:51.628852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a928c9fe9d5ffdb90b86b6f10adca6dc4fed2e8701401ca9184b10f8a425a56d

Aliases

arxiv: 2111.07250 · arxiv_version: 2111.07250v3 · doi: 10.48550/arxiv.2111.07250 · pith_short_12: VEUMT7U5L763 · pith_short_16: VEUMT7U5L763SC4G · pith_short_8: VEUMT7U5

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/VEUMT7U5L763SC4GW3YQVXFG3R \
  | 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: a928c9fe9d5ffdb90b86b6f10adca6dc4fed2e8701401ca9184b10f8a425a56d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f496f650a95dab27ac67fbe59c4442071f3a2995d989890997100c002d8ebd8",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2021-11-14T05:57:11Z",
    "title_canon_sha256": "e8c2e88010159bcc0c247f177d14f6238f87fe5354921af0da1213ab75b7f296"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07250",
    "kind": "arxiv",
    "version": 3
  }
}