Pith Number

pith:CCFKSK5M

pith:2010:CCFKSK5MD4B27LV4GUZQRQIMTT

not attested not anchored not stored refs pending

Synthesising, using, and correcting for telluric features in high-resolution astronomical spectra

A. Seifahrt, G. Z\"angl, H. U. K\"aufl, J. L. Bean, M. J. Richter, R. Siebenmorgen

arxiv:1008.3419 v2 · 2010-08-20 · astro-ph.IM · astro-ph.EP · physics.ao-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{CCFKSK5MD4B27LV4GUZQRQIMTT}

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	2026-05-18T02:05:44.489420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

108aa92bac1f03afaebc353308c10c9ceeaf20ee2cb88557651a90134748caf6

Aliases

arxiv: 1008.3419 · arxiv_version: 1008.3419v2 · doi: 10.48550/arxiv.1008.3419 · pith_short_12: CCFKSK5MD4B2 · pith_short_16: CCFKSK5MD4B27LV4 · pith_short_8: CCFKSK5M

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/CCFKSK5MD4B27LV4GUZQRQIMTT \
  | 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: 108aa92bac1f03afaebc353308c10c9ceeaf20ee2cb88557651a90134748caf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcc74ddeec8b481af2230e79ddb36d32f2c76264745d64188a855a7ee7882182",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-08-20T00:22:50Z",
    "title_canon_sha256": "0d314a88ce3e1d3dda11ce650d827f3402d9e15f2b67a554fa182b17f989847d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3419",
    "kind": "arxiv",
    "version": 2
  }
}