Pith Number

pith:VWOXBE7A

pith:2009:VWOXBE7AFKW55ASV4UVCRXDYXY

not attested not anchored not stored refs pending

Coronal emission lines as thermometers

Philip G Judge

arxiv:0911.4085 v2 · 2009-11-20 · astro-ph.SR · 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{VWOXBE7AFKW55ASV4UVCRXDYXY}

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	2026-05-18T02:34:04.276884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad9d7093e02aadde8255e52a28dc78be29d23ce0ff41c0de52c54a685bfcd7b4

Aliases

arxiv: 0911.4085 · arxiv_version: 0911.4085v2 · doi: 10.48550/arxiv.0911.4085 · pith_short_12: VWOXBE7AFKW5 · pith_short_16: VWOXBE7AFKW55ASV · pith_short_8: VWOXBE7A

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/VWOXBE7AFKW55ASV4UVCRXDYXY \
  | 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: ad9d7093e02aadde8255e52a28dc78be29d23ce0ff41c0de52c54a685bfcd7b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2b128aa546b4424b5024f023e89d356050c3dce903199e924b82525c4a09789",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-20T17:07:16Z",
    "title_canon_sha256": "95efe754d04e0b7552da8ce7b8cb70ad98d6dcc5bd62e487fb1045c936e9e393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4085",
    "kind": "arxiv",
    "version": 2
  }
}