Pith Number

pith:HYDEMC4Q

pith:2003:HYDEMC4QAJMN4DGRL5KIVH2O5A

not attested not anchored not stored refs pending

Experimental f-value and isotopic structure for the Ni I line blended with [OI] at 6300A

H. Lundberg, S. Johansson, U. Litz\'en, Z. Zhang

arxiv:astro-ph/0301382 v1 · 2003-01-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HYDEMC4QAJMN4DGRL5KIVH2O5A}

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	2026-05-18T01:09:03.520004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e06460b900258de0cd15f548a9f4ee8173adfcea57e45d8bec1ca3e8c60a79c

Aliases

arxiv: astro-ph/0301382 · arxiv_version: astro-ph/0301382v1 · doi: 10.48550/arxiv.astro-ph/0301382 · pith_short_12: HYDEMC4QAJMN · pith_short_16: HYDEMC4QAJMN4DGR · pith_short_8: HYDEMC4Q

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/HYDEMC4QAJMN4DGRL5KIVH2O5A \
  | 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: 3e06460b900258de0cd15f548a9f4ee8173adfcea57e45d8bec1ca3e8c60a79c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a898954c627d7fb8b6cb0344df3caa349deb7f8a43f1c37c4612e4ad3afbe58",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-20T08:39:28Z",
    "title_canon_sha256": "bc6d74d59f70ee2e1fd9d8f45ee21990e9fbb272ff25b06dfae2cc25a0d844aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301382",
    "kind": "arxiv",
    "version": 1
  }
}