Pith Number

pith:4WTG65ZN

pith:2019:4WTG65ZNRHRY4VT44HRY2LBKTL

not attested not anchored not stored refs pending

Statistical errors in equivalent widths -- A clarification

Thomas Eversberg

arxiv:1905.09121 v1 · 2019-05-22 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WTG65ZNRHRY4VT44HRY2LBKTL}

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	2026-05-17T23:45:21.918642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a66f772d89e38e567ce1e38d2c2a9ae411da808d6d6ab8c1ccf48ff75e18d1

Aliases

arxiv: 1905.09121 · arxiv_version: 1905.09121v1 · doi: 10.48550/arxiv.1905.09121 · pith_short_12: 4WTG65ZNRHRY · pith_short_16: 4WTG65ZNRHRY4VT4 · pith_short_8: 4WTG65ZN

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/4WTG65ZNRHRY4VT44HRY2LBKTL \
  | 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: e5a66f772d89e38e567ce1e38d2c2a9ae411da808d6d6ab8c1ccf48ff75e18d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a92d75971ecd52cbb312d223d8048e8f338b88d3b5cd6bec6b4f279659bc5d11",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-05-22T13:20:56Z",
    "title_canon_sha256": "171a9a85628f13e27a0855873e0b785c93ed45590959343f299c0e5bbf27e1c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09121",
    "kind": "arxiv",
    "version": 1
  }
}