Pith Number

pith:75FLETIE

pith:2010:75FLETIEYF52AM742D4BBAKSM3

not attested not anchored not stored refs pending

High-Fidelity Spectroscopy at the Highest Resolutions

Dainis Dravins (Lund Observatory, Sweden)

arxiv:1002.1190 v1 · 2010-02-05 · astro-ph.IM · astro-ph.CO · 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{75FLETIEYF52AM742D4BBAKSM3}

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	2026-05-18T02:09:19.287121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff4ab24d04c17ba033fcd0f810815266dc273fc3c47c2293b0e28d452eef1735

Aliases

arxiv: 1002.1190 · arxiv_version: 1002.1190v1 · doi: 10.48550/arxiv.1002.1190 · pith_short_12: 75FLETIEYF52 · pith_short_16: 75FLETIEYF52AM74 · pith_short_8: 75FLETIE

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/75FLETIEYF52AM742D4BBAKSM3 \
  | 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: ff4ab24d04c17ba033fcd0f810815266dc273fc3c47c2293b0e28d452eef1735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1af179127eaa020d3c6d15a5133de039599bbbb6ce7e16ef1ddae02e273c2def",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-02-05T10:39:44Z",
    "title_canon_sha256": "2d18d204f403d07fdc88518c140910309590bd1579782330631ea049133b9c70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1190",
    "kind": "arxiv",
    "version": 1
  }
}