Pith Number

pith:M7KD66IM

pith:2020:M7KD66IME26DPW4ITQOHYR3BGG

not attested not anchored not stored refs pending

Down-the-barrel observations of a multiphase quasar outflow at high redshift: VLT/X-shooter spectroscopy of the proximate molecular absorber at z=2.631 towards SDSS J001514+184212

J.-K. Krogager, J. P. U. Fynbo, N. Gupta, P. Laursen, P. Noterdaeme, P. Petitjean, R. Srianand, S. Balashev

arxiv:2012.02487 v2 · 2020-12-04 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7KD66IME26DPW4ITQOHYR3BGG}

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	2026-07-05T02:15:37.386690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67d43f790c26bc37db889c1c7c476131913d52d64ed979b18c087ec0e98d2652

Aliases

arxiv: 2012.02487 · arxiv_version: 2012.02487v2 · doi: 10.48550/arxiv.2012.02487 · pith_short_12: M7KD66IME26D · pith_short_16: M7KD66IME26DPW4I · pith_short_8: M7KD66IM

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/M7KD66IME26DPW4ITQOHYR3BGG \
  | 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: 67d43f790c26bc37db889c1c7c476131913d52d64ed979b18c087ec0e98d2652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "183b16927a9eec7105f4ed67679151581faee8be1c289341b9ebf1e77a883c48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-04T09:29:23Z",
    "title_canon_sha256": "930d2ed052ecab7979eeeebcf13b51ced3daf49414b165fb385cf5263995ef2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.02487",
    "kind": "arxiv",
    "version": 2
  }
}