Pith Number

pith:3VFLDQF7

pith:2018:3VFLDQF7E5F4DSLWP32QO4MWLX

not attested not anchored not stored refs pending

Scraping SERPs for Archival Seeds: It Matters When You Start

Alexander C. Nwala, Michael L. Nelson, Michele C. Weigle

arxiv:1805.10260 v1 · 2018-05-25 · 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{3VFLDQF7E5F4DSLWP32QO4MWLX}

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	2026-05-18T00:13:50.430943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd4ab1c0bf274bc1c9767ef50771965ddcf67d6e02a7cc633abd2e3dfafc4cee

Aliases

arxiv: 1805.10260 · arxiv_version: 1805.10260v1 · doi: 10.48550/arxiv.1805.10260 · pith_short_12: 3VFLDQF7E5F4 · pith_short_16: 3VFLDQF7E5F4DSLW · pith_short_8: 3VFLDQF7

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/3VFLDQF7E5F4DSLWP32QO4MWLX \
  | 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: dd4ab1c0bf274bc1c9767ef50771965ddcf67d6e02a7cc633abd2e3dfafc4cee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28ce11f543aed99940083a307ca5b606920335e91230ed9befc635af5b56f91c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-05-25T17:30:35Z",
    "title_canon_sha256": "5aaa0c850e9271bdf721b70b72061492a9cdf9fb9452bf3707b826611e94e26d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10260",
    "kind": "arxiv",
    "version": 1
  }
}