Pith Number

pith:LNE4NSSQ

pith:2018:LNE4NSSQ5EWW2A22FDILIPYF5U

not attested not anchored not stored refs pending

Imprints of the first billion years: Lyman limit systems at $z \sim 5$

(2) UC Santa Cruz, (3) Saint Michael's College, (4) Max-Planck-Institut fur Astronomie, 5), (5) Institut fur Physik und Astronomie, (6) UC San Diego), Britton D. Smith (6) ((1) Swinburne University of Technology, Gabor Worseck (4, John M. O'Meara (3), J. Xavier Prochaska (2), Michael T. Murphy (1), Neil H. M. Crighton (1)

arxiv:1810.10040 v1 · 2018-10-23 · 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{LNE4NSSQ5EWW2A22FDILIPYF5U}

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.

Cited by

1 paper in Pith

Connecting CGM enrichment with Lyman alpha emitters at 2.9 < z < 6.7

Receipt and verification

First computed	2026-05-18T00:01:57.160589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b49c6ca50e92d6d035a28d0b43f05ed05fc15ad062caeb4c663ff2e26164dce

Aliases

arxiv: 1810.10040 · arxiv_version: 1810.10040v1 · doi: 10.48550/arxiv.1810.10040 · pith_short_12: LNE4NSSQ5EWW · pith_short_16: LNE4NSSQ5EWW2A22 · pith_short_8: LNE4NSSQ

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/LNE4NSSQ5EWW2A22FDILIPYF5U \
  | 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: 5b49c6ca50e92d6d035a28d0b43f05ed05fc15ad062caeb4c663ff2e26164dce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a48064dfe3441530debad7a69c48537e84ad73e16fed7d4e360d037578c4002",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-23T18:37:03Z",
    "title_canon_sha256": "ff856b4662a31b37448454e4c3b1bd3991d1710193148750d490065bd8c6ff13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10040",
    "kind": "arxiv",
    "version": 1
  }
}