Pith Number

pith:XWDUESL4

pith:2019:XWDUESL4MMZOZXGWUKEID3HQ3S

not attested not anchored not stored refs pending

Building the Evryscope: Hardware Design and Performance

Daniel del Ser, Henry T. Corbett, Jeffrey K. Ratzloff, Joshua Haislip, Nicholas M. Law, Octavi Fors, Ward S. Howard

arxiv:1904.11991 v1 · 2019-04-26 · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XWDUESL4MMZOZXGWUKEID3HQ3S}

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	2026-05-17T23:44:54.119004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd8742497c6332ecdcd6a28881ecf0dc8b10a48fb4046d73fba7dddb1565a035

Aliases

arxiv: 1904.11991 · arxiv_version: 1904.11991v1 · doi: 10.48550/arxiv.1904.11991 · pith_short_12: XWDUESL4MMZO · pith_short_16: XWDUESL4MMZOZXGW · pith_short_8: XWDUESL4

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/XWDUESL4MMZOZXGWUKEID3HQ3S \
  | 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: bd8742497c6332ecdcd6a28881ecf0dc8b10a48fb4046d73fba7dddb1565a035

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a625a2ec1a16796d26ba13a945ad1440cffcbc1d12d3fdbdcf13069e96f72ab",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-04-26T18:00:02Z",
    "title_canon_sha256": "6e7e6f8b8f786c2b6a1b8b0aeca271dbaff0929ad1835bdac7c4fb3d10658fed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11991",
    "kind": "arxiv",
    "version": 1
  }
}