Pith Number

pith:WPPIQR6O

pith:2016:WPPIQR6OPQ72646CNPN4NGQ23P

not attested not anchored not stored refs pending

Metals in the z~3 intergalactic medium: results from an ultra-high signal-to-noise ratio UVES quasar spectrum

A. Rorai, E. Pomante, E. Tescari, E. Vanzella, F. Calura, F. Fontanot, G. Cupani, G. D. Becker, J. Miralda-Escude, M. G. Haehnelt, M. Viel, P. Barai, R. F. Carswell, S. Cristiani, T-S. Kim, V. D'Odorico

arxiv:1608.06116 v2 · 2016-08-22 · astro-ph.GA · 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{WPPIQR6OPQ72646CNPN4NGQ23P}

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	2026-05-18T00:56:11.959739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3de8847ce7c3faf73c26bdbc69a1adbe64dac19ae62928048bc3c57633b9218

Aliases

arxiv: 1608.06116 · arxiv_version: 1608.06116v2 · doi: 10.48550/arxiv.1608.06116 · pith_short_12: WPPIQR6OPQ72 · pith_short_16: WPPIQR6OPQ72646C · pith_short_8: WPPIQR6O

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/WPPIQR6OPQ72646CNPN4NGQ23P \
  | 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: b3de8847ce7c3faf73c26bdbc69a1adbe64dac19ae62928048bc3c57633b9218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aa8a30ba575315e6e098d5ca24f5caf004a545618b5500fa03fc6a397bbedae",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-08-22T10:42:29Z",
    "title_canon_sha256": "9c0685fe1c02b0a48230f4bd0633de934cc987f43a9b60efc48f179573effc1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06116",
    "kind": "arxiv",
    "version": 2
  }
}