Pith Number

pith:U4NKDTJQ

pith:2019:U4NKDTJQKXLGILMG7DY34XCFUC

not attested not anchored not stored refs pending

Thanks for Stopping By: A Study of "Thanks" Usage on Wikimedia

Ashton Anderson, Leila Zia, Swati Goel

arxiv:1903.03308 v1 · 2019-03-08 · 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{U4NKDTJQKXLGILMG7DY34XCFUC}

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	2026-05-17T23:51:45.875075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a71aa1cd3055d6642d86f8f1be5c45a09806d37a3e40bd1cc4310a8e0d16d6b8

Aliases

arxiv: 1903.03308 · arxiv_version: 1903.03308v1 · doi: 10.48550/arxiv.1903.03308 · pith_short_12: U4NKDTJQKXLG · pith_short_16: U4NKDTJQKXLGILMG · pith_short_8: U4NKDTJQ

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/U4NKDTJQKXLGILMG7DY34XCFUC \
  | 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: a71aa1cd3055d6642d86f8f1be5c45a09806d37a3e40bd1cc4310a8e0d16d6b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36a2c98d1cc1fd08f41184eb18918dc735dd8ba5ea2569cc2b4b8e66711cade2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-03-08T07:15:36Z",
    "title_canon_sha256": "5202f37d938c91661fb2f23d509b87d2a3f0dec96d798acca2606ac25306aba8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03308",
    "kind": "arxiv",
    "version": 1
  }
}