Pith Number

pith:QDISG5GK

pith:2013:QDISG5GKJK4GUNDKUHN2GOG4CD

not attested not anchored not stored refs pending

Expanded Iron UTA spectra -- probing the thermal stability limits in AGN clouds

F. P. Keenan, G. J. Ferland, M. L. Lykins, P. A. M. van Hoof, R. J. R. Williams, R. Kisielius, R. L. Porter, V. Jonauskas

arxiv:1303.0316 v1 · 2013-03-01 · astro-ph.CO · physics.atom-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{QDISG5GKJK4GUNDKUHN2GOG4CD}

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	2026-05-18T01:00:20.613423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80d12374ca4ab86a346aa1dba338dc10cd519f549e8dfae2260f0e80137d73ac

Aliases

arxiv: 1303.0316 · arxiv_version: 1303.0316v1 · doi: 10.48550/arxiv.1303.0316 · pith_short_12: QDISG5GKJK4G · pith_short_16: QDISG5GKJK4GUNDK · pith_short_8: QDISG5GK

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/QDISG5GKJK4GUNDKUHN2GOG4CD \
  | 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: 80d12374ca4ab86a346aa1dba338dc10cd519f549e8dfae2260f0e80137d73ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6d45f7bfd4a61278ccd2a4d98b412fa7300ebcc713341496617cbf2aa8d0483",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-01T22:44:18Z",
    "title_canon_sha256": "a287de3b8265245182fb90dc864c2fa0115ba311c3f1ba8e682d0ba908a52f3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0316",
    "kind": "arxiv",
    "version": 1
  }
}