Pith Number

pith:PEKHO7OH

pith:2012:PEKHO7OHKQSZOT4VC35OJD5K6J

not attested not anchored not stored refs pending

Radiative cooling in collisionally and photo ionized plasmas

G.J. Ferland, M.L. Lykins, Orly Gnat, Peter A.M. van Hoof, R.J.R. Williams, Ryan L. Porter

arxiv:1212.1233 v1 · 2012-12-06 · astro-ph.HE · 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{PEKHO7OHKQSZOT4VC35OJD5K6J}

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	2026-05-18T01:52:47.142958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7914777dc75425974f9516fae48faaf26d2fd44d149e65ab795b481108a7e7dd

Aliases

arxiv: 1212.1233 · arxiv_version: 1212.1233v1 · doi: 10.48550/arxiv.1212.1233 · pith_short_12: PEKHO7OHKQSZ · pith_short_16: PEKHO7OHKQSZOT4V · pith_short_8: PEKHO7OH

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/PEKHO7OHKQSZOT4VC35OJD5K6J \
  | 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: 7914777dc75425974f9516fae48faaf26d2fd44d149e65ab795b481108a7e7dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f378ba6056098624e0130745558d8df1fb829f550c3530e2a66ad66ee0e9dfb",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-12-06T03:50:12Z",
    "title_canon_sha256": "28fa76545cb9ac309c751bae95da1ed89f65517b5244213968c2f3dc751220ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1233",
    "kind": "arxiv",
    "version": 1
  }
}