Pith Number

pith:JP66E5K6

pith:2022:JP66E5K64USL6GTYUBD2G6KQT5

not attested not anchored not stored refs pending

Staring at the Shadows of Archaic Galaxies: Damped Ly$\alpha$ and Metal Absorbers toward a Young $z \sim 6$ Weak-line Quasar

Anna-Christina Eilers, Arjen van der Wel, Eduardo Ba\~nados, Emanuele Paolo Farina, Frederick B. Davies, Irham Taufik Andika, Knud Jahnke, Masafusa Onoue, Sarah E. I. Bosman

arxiv:2204.01245 v2 · 2022-04-04 · 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{JP66E5K64USL6GTYUBD2G6KQT5}

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	2026-07-05T04:22:20.450718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bfde2755ee524bf1a78a047a379509f52802541170e28d7ce00abe0c0566c5a

Aliases

arxiv: 2204.01245 · arxiv_version: 2204.01245v2 · doi: 10.48550/arxiv.2204.01245 · pith_short_12: JP66E5K64USL · pith_short_16: JP66E5K64USL6GTY · pith_short_8: JP66E5K6

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/JP66E5K64USL6GTYUBD2G6KQT5 \
  | 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: 4bfde2755ee524bf1a78a047a379509f52802541170e28d7ce00abe0c0566c5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d33c26fa0b37bf584b76f0697225955adae8244d04ac8423922f41b1377cf7d4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-04-04T05:16:54Z",
    "title_canon_sha256": "f9353fe322f3364025fd491c87e29844e229101c20ba6388d95649bdc0a42da2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.01245",
    "kind": "arxiv",
    "version": 2
  }
}