Pith Number

pith:7ENFTSAW

pith:2009:7ENFTSAWAW32J4GCJJZ4JCNA32

not attested not anchored not stored refs pending

The Temperature Diagnostic Properties of the MG I 457.1 NM Line

Mats Carlsson, Oystein Langangen

arxiv:0903.1492 v1 · 2009-03-09 · 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{7ENFTSAWAW32J4GCJJZ4JCNA32}

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	2026-05-18T04:29:16.082598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91a59c81605b7a4f0c24a73c489a0dea99bbc77f0377d4251b9339293ecca09

Aliases

arxiv: 0903.1492 · arxiv_version: 0903.1492v1 · doi: 10.48550/arxiv.0903.1492 · pith_short_12: 7ENFTSAWAW32 · pith_short_16: 7ENFTSAWAW32J4GC · pith_short_8: 7ENFTSAW

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/7ENFTSAWAW32J4GCJJZ4JCNA32 \
  | 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: f91a59c81605b7a4f0c24a73c489a0dea99bbc77f0377d4251b9339293ecca09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afb3c6bbe8ecc5a1333162c80665da25ca85fd6d52b2fe2341047217ae9771ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-09T07:44:27Z",
    "title_canon_sha256": "3e838676a634f0160fb6abb6c43eb78da335d7f171ea62629f5d2cc1e699e1f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1492",
    "kind": "arxiv",
    "version": 1
  }
}