Pith Number

pith:YTJI7H2R

pith:2008:YTJI7H2RO2LVQ36QKH2Y5LJPE4

not attested not anchored not stored refs pending

Sensitivity coefficients to $\alpha$-variation for fine-structure transitions in Carbon-like ions

D. Reimers, I. I. Tupitsyn, M. G. Kozlov

arxiv:0812.3210 v1 · 2008-12-17 · physics.atom-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTJI7H2RO2LVQ36QKH2Y5LJPE4}

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	2026-07-04T15:39:16.573466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4d28f9f517697586fd051f58ead2f2715df6141bddcfc2bfa53cf31f3f7ab07

Aliases

arxiv: 0812.3210 · arxiv_version: 0812.3210v1 · doi: 10.48550/arxiv.0812.3210 · pith_short_12: YTJI7H2RO2LV · pith_short_16: YTJI7H2RO2LVQ36Q · pith_short_8: YTJI7H2R

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/YTJI7H2RO2LVQ36QKH2Y5LJPE4 \
  | 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: c4d28f9f517697586fd051f58ead2f2715df6141bddcfc2bfa53cf31f3f7ab07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9972025c3c62088fd22c04194453faf004a4031afed2af1746d2cb2b677ec989",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2008-12-17T19:14:06Z",
    "title_canon_sha256": "cc7e29636ec99619c212de420b4e9159e4ed34d32188334dd8b1a1d04b9424b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3210",
    "kind": "arxiv",
    "version": 1
  }
}